18-Letter Words Containing: S,A,O,N,E
(In Any Order)
There are 209 18 letter words,
874 18 letter phrases and
0 18 letter abbr's with
S,A,O,N,E in.
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| Word | Save | Length | Usage | Points | Type | ||
|---|---|---|---|---|---|---|---|
We couldn't find any valid Scrabble US words with a length of 18. Try changing the version of the game.
Tip: Scrabble EU allows far more words than US! | |||||||
All 18 Letter Words
Words (209)
- telecommunications
- disproportionately
- inconsequentiality
- gastroenterologist
- oversimplification
- overrepresentation
- antivivisectionist
- hyperaldosteronism
- neuropsychological
- weatherproofnesses
- vaingloriousnesses
- unseasonablenesses
- unreasonablenesses
- unprofitablenesses
- unconscionableness
- unaccountabilities
- ultraconservatives
- ultraconservatisms
- transportabilities
- theatricalizations
- supranationalities
- superconglomerates
- supercivilizations
- superadministrator
- subcategorizations
- stoutheartednesses
- sphygmomanometries
- simultaneousnesses
- semiprofessionally
- semidomestications
- semiconservatively
- sedimentologically
- satisfactorinesses
- sacrilegiousnesses
- revascularizations
- representationally
- renationalizations
- reinstitutionalize
- rehospitalizations
- recrystallizations
- rambunctiousnesses
- radiosensitivities
- questionablenesses
- quattuordecillions
- pseudoparenchymata
- pronounceabilities
- praiseworthinesses
- postmillennialists
- postmillennialisms
- postmillenarianism
- polymorphonuclears
- polyesterification
- polyacrylonitriles
- photosynthetically
- photosensitization
- photoreactivations
- photodisintegrates
- photodisintegrated
- pertinaciousnesses
- pentylenetetrazols
- pentachlorophenols
- overspecialization
- overindustrializes
- overindustrialized
- overfertilizations
- overextrapolations
- overconcentrations
- overcommunications
- overclassification
- ostentatiousnesses
- organophosphoruses
- opinionativenesses
- nonrevolutionaries
- nonrepresentatives
- nonfraternizations
- noncooperationists
- noncomparabilities
- noncommutativities
- nonarbitrarinesses
- neurotransmissions
- neuropsychiatrists
- multifariousnesses
- monochromaticities
- misrepresentations
- misinterpretations
- misidentifications
- mineralocorticoids
- microencapsulation
- microencapsulating
- methemoglobinemias
- melodramatizations
- mechanochemistries
- malcontentednesses
- magnetostrictively
- magnetoresistances
- macroglobulinemias
- lymphangiographies
- lumpenproletariats
- knowledgeabilities
- irreproachableness
- irreconcilableness
- interrelationships
- interoperabilities
- internationalities
- internationalising
- interinstitutional
- intercolumniations
- inhospitablenesses
- inharmoniousnesses
- incontestabilities
- inconsolablenesses
- inconsiderableness
- inconceivabilities
- incommensurability
- inauspiciousnesses
- impersonalizations
- immunosuppressants
- immunoreactivities
- immunoprecipitates
- immunohematologist
- immunohematologies
- hyposensitizations
- hypersensitization
- hyperrationalities
- hyperpolarizations
- hyperpigmentations
- hypernationalistic
- hyperimmunizations
- hyperalimentations
- hydroxytryptamines
- hemoglobinopathies
- granulocytopoiesis
- granulocytopoieses
- gastroenterologies
- extemporaneousness
- exceptionabilities
- evapotranspiration
- ethnomusicological
- epithelializations
- electroretinograms
- electrodesiccation
- disputatiousnesses
- disintermediations
- dishonorablenesses
- disconsolatenesses
- diphenylhydantoins
- dihydroergotamines
- dextroamphetamines
- dephosphorylations
- depersonalizations
- deoxyribonucleases
- denominationalisms
- denationalizations
- demythologizations
- dematerializations
- deinstitutionalize
- dehydrochlorinates
- dehydrochlorinases
- dedifferentiations
- decriminalizations
- counterstrategists
- counterpropagandas
- counterdemonstrate
- counterculturalism
- counteraggressions
- counteradvertising
- counteradaptations
- counteraccusations
- conversationalists
- constitutionalizes
- constitutionalized
- conservativenesses
- consequentialities
- congregationalists
- congregationalisms
- conceptualizations
- compartmentalising
- companionabilities
- communicablenesses
- commercializations
- commensurabilities
- chlortetracyclines
- cantankerousnesses
- bureaucratizations
- bourgeoisification
- bacteriorhodopsins
- australopithecines
- archaeoastronomies
- anticommercialisms
- aerothermodynamics
- advantageousnesses
- unsatisfactoriness
- unquestionableness
- territorialisation
- sentimentalization
- sentimentalisation
- overcapitalisation
- order-chenopodiales
- nonprognosticative
- neurophysiological
- lacto-vegetarianism
- internationalistic
- cytoarchitectonics
- cross-fertilization
- cross-fertilisation
- corrosion-resistant
- antiferromagnetism
- anticholinesterase
- adenocarcinomatous
Phrases (874)
- wisteria floribunda
- william dean howells
- washington monument
- voiceless consonant
- victor frankenstein
- vasco nunez de balboa
- upton beall sinclair
- thomas clayton wolfe
- tangible possession
- syrian monetary unit
- suborder anisoptera
- sphenodon punctatum
- solid body substance
- sir martin frobisher
- sir frederick ashton
- sir arthur john evans
- sexual reproduction
- sergei rachmaninoff
- security consultant
- second cranial nerve
- seasonal adjustment
- scottish highlander
- rheims-douay version
- respiratory illness
- republic of suriname
- republic of slovenia
- republic of honduras
- professional golfer
- professional boxing
- prince-of-wales plume
- pooecetes gramineus
- political dissident
- polish monetary unit
- polianthes tuberosa
- poisonous substance
- physical phenomenon
- parkinson's syndrome
- oven stuffer roaster
- oscar hammerstein ii
- order sarraceniales
- one thousand million
- on an irregular basis
- oenothera fruticosa
- oceanites oceanicus
- nicolaus copernicus
- newspaper columnist
- navigational system
- national censorship
- musical performance
- musculospiral nerve
- mount rushmore state
- minor tranquilliser
- megacycle per second
- meconopsis cambrica
- material possession
- mary wollstonecraft
- manganese tetroxide
- make a clean breast of
- loranthus europaeus
- logistic assistance
- logistic assessment
- linguistic relation
- latrodectus mactans
- lachrymal secretion
- keyboard instrument
- jons jakob berzelius
- john charles fremont
- joel chandler harris
- irvingia gabonensis
- international scale
- installation charge
- houses of parliament
- household appliance
- historical document
- heat of vaporisation
- health professional
- hand-to-hand struggle
- gustatory sensation
- green mountain state
- george simon kaufman
- geophysical science
- genus styracosaurus
- genus saccharomyces
- genus recurvirostra
- genus phyllostachys
- genus phalacrocorax
- genus melopsittacus
- genus eschscholtzia
- genus encephalartos
- genus dorotheanthus
- genus dimorphotheca
- genus archaeopteryx
- functional disorder
- fricative consonant
- freudian psychology
- federation of tribes
- federal reserve note
- family scorpaenidae
- expressed almond oil
- european goatsucker
- essential condition
- essential amino acid
- erinaceus europaeus
- erigeron canadensis
- endorsement in blank
- electronics company
- electronic database
- elaeagnus latifolia
- elaeagnus commutata
- education secretary
- economic assistance
- eastern ground snake
- duck-billed dinosaur
- douay-rheims version
- division eubacteria
- disreputable person
- disagreeable person
- direct transmission
- diplomatic minister
- danish monetary unit
- dame sybil thorndike
- dame joan sutherland
- crataegus oxycantha
- council of constance
- corrugated fastener
- conservation of mass
- compression bandage
- common american shad
- columbia university
- colocasia esculenta
- cognitive semantics
- class hyalospongiae
- class dicotyledonae
- chemical operations
- charles follen mckim
- ceremonial occasion
- cerebrospinal fever
- castanea mollissima
- carl gustaf mosander
- capital of tennessee
- capital of new jersey
- capital of minnesota
- capital of indonesia
- break someone's heart
- book of lamentations
- blue ridge mountains
- blood extravasation
- battle of wake island
- baron georges cuvier
- authoritarian state
- augsburg confession
- attestation service
- astronomy satellite
- assyrian neo-aramaic
- ascension of the lord
- arthur schopenhauer
- antispasmodic agent
- antipsychotic agent
- antineoplastic drug
- antagonistic muscle
- anisette de bordeaux
- anglo-saxon language
- andrew dickson white
- anamnestic reaction
- analysis of variance
- amlodipine besylate
- ambystoma mexicanum
- alytes obstetricans
- allegheny mountains
- alfred lord tennyson
- alexander i of russia
- albert szent-gyorgyi
- air-to-ground missile
- agnes george de mille
- aegean civilisation
- administrative body
- adenosine deaminase
- actinidia deliciosa
- acoustic gramophone
- accordance of rights
- abel janszoon tasman
- zigadenus venenosus
- yellow adder's tongue
- wynnea sparassoides
- winter olympic games
- wilson cloud chamber
- william henry hudson
- whole life insurance
- western roman empire
- western ribbon snake
- western mountain ash
- western diamondback
- west indian smallpox
- wesleyan methodists
- weather forecasting
- weapons emplacement
- wandering albatross
- volumetric analysis
- vinegar joe stilwell
- vespula maculifrons
- veronica chamaedrys
- venus's flower basket
- vena supraorbitalis
- vena stylomastoidea
- varanus komodoensis
- vaccinia gangrenosa
- upper carboniferous
- unspoken accusation
- united states dollar
- unipolar depression
- umbelliferous plant
- tyrannus vociferans
- tropical rain forest
- trichostema lanatum
- transmission system
- transitive verb form
- transfer of training
- tragelaphus buxtoni
- topical anaesthetic
- topical anaesthesia
- top fermenting yeast
- time deposit account
- time-and-motion study
- threshold operation
- thomas stearns eliot
- thermoplastic resin
- theory of indicators
- the great starvation
- thalamostriate vein
- teucrium scorodonia
- taraktogenos kurzii
- taraktagenos kurzii
- tanacetum douglasii
- talk through one's hat
- systema urogenitale
- system of numeration
- synaptomys borealis
- synanceja verrucosa
- sydney harbor bridge
- swiss confederation
- sweet-potato ring rot
- suspended animation
- survivors insurance
- supratrochlear vein
- supra expressionism
- superior labial vein
- superannuation fund
- subpoena duces tecum
- suborder ruminantia
- suborder pinnipedia
- suborder nematocera
- suborder menotyphla
- suborder gorgonacea
- suborder carnosaura
- suborder alcyonacea
- subgenus calliopsis
- subfamily dorylinae
- structural genomics
- structural concrete
- striped button quail
- straight-line method
- stictopelia cuneata
- stellar association
- steganopus tricolor
- stations of the cross
- stanford university
- standard atmosphere
- stained-glass window
- sphenoidal fontanel
- sphenoid fontanelle
- spanish oyster plant
- space-time continuum
- southern white cedar
- southern maidenhair
- south temperate zone
- sonora semiannulata
- solidago canadensis
- solar magnetic field
- solanum commersonii
- solanum carolinense
- socio-economic class
- smoking compartment
- small cell carcinoma
- sloanea jamaicensis
- skull and crossbones
- sir john carew eccles
- sir george trevelyan
- sir ernst boris chain
- silver quandong tree
- signal-to-noise ratio
- siberian wall flower
- shoshonian language
- shoshonean language
- short saphenous vein
- shorea teysmanniana
- shaggymane mushroom
- sexual relationship
- sex-change operation
- serratula tinctoria
- sentential function
- sensory deprivation
- selaginella eatonii
- segmentation cavity
- secretary of the navy
- secretary of defense
- secondary education
- secondary dentition
- sciaenops ocellatus
- scale of measurement
- saxifraga hypnoides
- sarah kemble siddons
- sao tome and principe
- sao bernardo do campo
- samuel jackson snead
- sample distribution
- salicornia europaea
- saint thomas a becket
- saint teresa of avila
- sacrifice operation
- sacramento sturgeon
- round-tailed muskrat
- ronald wilson reagan
- rocky mountain sheep
- robert mearns yerkes
- richard john roberts
- rhodesian ridgeback
- rhodanthe manglesii
- rhizomatous begonia
- rhizoctinia disease
- rhetorical question
- revaluation reserve
- retarded depression
- republic of the sudan
- republic of botswana
- relational database
- regular icosahedron
- regular convex solid
- regression equation
- regression analysis
- registration number
- regional anesthesia
- real-time processing
- reactive depression
- reaction propulsion
- random-access memory
- ramsay hunt syndrome
- ralph johnson bunche
- rachel louise carson
- quadriphonic system
- quadraphonic system
- pus-forming bacteria
- pulmonary emphysema
- public relations man
- public presentation
- pterocarpus indicus
- psychotria capensis
- pseudotaxus chienii
- prunus laurocerasus
- prumnopitys elegans
- proto-norse language
- prospero lambertini
- proportional sample
- promotional expense
- professional tennis
- professional person
- professional dancer
- prince-of-wales'-heath
- prince of wales heath
- president john adams
- prairie golden aster
- power-station worker
- potentilla anserina
- potassium carbonate
- potamogeton nodosus
- potamogeton crispus
- portuguese man-of-war
- portuguese language
- portal hypertension
- pork-and-veal goulash
- polyunsaturated fat
- political scientist
- poinciana gilliesii
- poephila castanotis
- pneumogastric nerve
- platanus orientalis
- platanus acerifolia
- plains pocket gopher
- plains lemon monarda
- pine-barren sandwort
- pimenta officinalis
- pierre-simon laplace
- phragmites communis
- phonological system
- phaseolus coccineus
- phaseolus angularis
- personal credit line
- periodontal disease
- peperomia sandersii
- pedilanthus pavonis
- pedestrian crossing
- paul bustill robeson
- parsley-leaved thorn
- parochetus communis
- parallel processing
- paracentral scotoma
- pancreatic fibrosis
- panax quinquefolius
- panax pseudoginseng
- palestine authority
- oriental bush cherry
- oreamnos americanus
- order ustilaginales
- order synentognathi
- order solenogastres
- order polymastigina
- order plumbaginales
- order plantaginales
- order marchantiales
- order falconiformes
- order endomycetales
- order bennettitales
- orange horseshoe bat
- operations research
- operating statement
- omphalotus illudens
- olfactory sensation
- old world coral snake
- old frisian language
- observation station
- nyctanassa violacea
- nucleolus organizer
- nucleolus organiser
- nucleolar organiser
- nuclear-powered ship
- north celestial pole
- normative economics
- nonvolatile storage
- nonsocial infection
- non-volatile storage
- non-christian priest
- nikolai lobachevsky
- nicolaus zinzendorf
- nicolas malebranche
- newtonian telescope
- newtonian mechanics
- newton's law of motion
- new world coral snake
- nervous prostration
- nemophila menziesii
- negative chemotaxis
- national assistance
- nasogastric feeding
- myasthenic syndrome
- muskhogean language
- munchausen syndrome
- mountain watercress
- mountain spleenwort
- mountain fetterbush
- mountain blacksnake
- mother-in-law's tongue
- moreton bay chestnut
- morchella esculenta
- montia lamprosperma
- minor diatonic scale
- mineral association
- minato ohashi bridge
- military censorship
- michael stuart brown
- michael gerald tyson
- mexican pocket mouse
- merovingian dynasty
- melospiza georgiana
- melissa officinalis
- medical institution
- meadow jumping mouse
- master of ceremonies
- mason and dixon's line
- marsilea drummondii
- marriage counseling
- marquis de condorcet
- marble bones disease
- major tranquilliser
- major diatonic scale
- magneto-optical disc
- magnesium hydroxide
- magnesium carbonate
- machine translation
- lysiloma bahamensis
- lycaena hypophlaeas
- lower carboniferous
- louis henry sullivan
- louis henri sullivan
- lonicera canadensis
- long-distance runner
- litocranius walleri
- limnocryptes minima
- leontocebus rosalia
- legislative council
- learner's dictionary
- leaning tower of pisa
- le douanier rousseau
- late-spring-blooming
- laportea canadensis
- land-office business
- lactose intolerance
- korsakoff's syndrome
- keratosis nigricans
- kammon strait bridge
- kalashnikov culture
- judicial separation
- judgment in personam
- joint chiefs of staff
- jean francois millet
- jasminum officinale
- japanese poinsettia
- japanese pagoda tree
- james leonard farmer
- james francis thorpe
- jamaica honeysuckle
- jacques lucien monod
- jacksonian epilepsy
- jack-o-lantern fungus
- italian honeysuckle
- isopyrum biternatum
- islets of langerhans
- iron-storage disease
- ipomoea orizabensis
- intravenous feeding
- internal combustion
- intermediate shroud
- interfacial tension
- interagency support
- insider information
- inorganic phosphate
- inorganic chemistry
- information science
- information measure
- inflectional suffix
- inductive reasoning
- indigenous language
- in the adjacent house
- in one's birthday suit
- idiographic science
- hysterical neurosis
- hypsiglena torquata
- hypoplastic anaemia
- hyperfocal distance
- hynerpeton bassetti
- hydromantes shastae
- huntington's disease
- horseshoe whipsnake
- horse chestnut cream
- honorable discharge
- homo sapiens sapiens
- hokkianese language
- hindostani language
- heterosexual person
- hesperis matronalis
- henry oscar houghton
- heat of dissociation
- heat of condensation
- have the distinction
- haematobia irritans
- gyromitra esculenta
- gymnadenia conopsea
- guadalupe mountains
- group centrospermae
- gros ventre language
- grindelia squarrosa
- gregory of nazianzus
- gregorian telescope
- green monkey disease
- great saphenous vein
- graduation exercise
- gradable opposition
- goods and service tax
- golden barrel cactus
- gigacycle per second
- giannangelo braschi
- geothermal industry
- geostationary orbit
- george paget thomson
- genyonemus lineatus
- genus zinjanthropus
- genus tyrannosaurus
- genus thysanocarpus
- genus tautogolabrus
- genus streptocarpus
- genus stephanomeria
- genus stenopelmatus
- genus sphaerocarpus
- genus sphaerocarpos
- genus sphacelotheca
- genus septobasidium
- genus schizophragma
- genus schizopetalon
- genus scaphosepalum
- genus sarcorhamphus
- genus sarcocephalus
- genus pterodactylus
- genus pseudowintera
- genus protoceratops
- genus poecilocapsus
- genus pleurothallis
- genus pleurobrachia
- genus plectrophenax
- genus platypoecilus
- genus phascolarctos
- genus paracheirodon
- genus paphiopedilum
- genus notophthalmus
- genus mycobacterium
- genus micropogonias
- genus melanogrammus
- genus malacothamnus
- genus macrodactylus
- genus macrocephalon
- genus leucocytozoan
- genus leptodactylus
- genus lepidothamnus
- genus lagerstroemia
- genus lagarostrobus
- genus lactobacillus
- genus ichthyosaurus
- genus hyracotherium
- genus hylactophryne
- genus hyacinthoides
- genus halimodendron
- genus gymnocalycium
- genus graptophyllum
- genus ginglymostoma
- genus gastroboletus
- genus gasterophilus
- genus falcatifolium
- genus entomophthora
- genus edmontosaurus
- genus dracocephalum
- genus dicranopteris
- genus dendrocalamus
- genus dactylopterus
- genus ctenocephalus
- genus corythosaurus
- genus compsognathus
- genus chrysothamnus
- genus chrysobalanus
- genus chronoperates
- genus chorizagrotis
- genus chlamydomonas
- genus chirocephalus
- genus cercosporella
- genus ceratotherium
- genus ceratophyllum
- genus ceratopetalum
- genus cephalopterus
- genus cardiospermum
- genus campyloneurum
- genus calycophyllum
- genus calamagrostis
- genus bougainvillea
- genus aulacorhyncus
- genus argyroxiphium
- genus arctocephalus
- genus archidiskidon
- genus anomalopteryx
- genus anoectochilus
- genus agrobacterium
- genus actiniopteris
- genus acanthocybium
- genus acanthocereus
- genital personality
- general-purpose bomb
- gastroepiploic vein
- gastrocolic omentum
- functional genomics
- full phase of the moon
- franklin d. roosevelt
- francois mitterrand
- fragaria chiloensis
- flowering raspberry
- florida selaginella
- first baron tennyson
- finno-ugric-speaking
- female circumcision
- feast of tabernacles
- favourable position
- fast of the firstborn
- family xenosauridae
- family synodontidae
- family relationship
- family nephropsidae
- fairness commission
- european wolf spider
- european water shrew
- european spider crab
- euonymus americanus
- euclid's second axiom
- euarctos americanus
- estrogen antagonist
- equetus lanceolatus
- epistle to the romans
- english hippocrates
- endowment insurance
- elaeocarpus grandis
- eichhornia spesiosa
- edwin dubois hayward
- edward the confessor
- edgar douglas adrian
- eastern roman empire
- eastern indigo snake
- eastern hop hornbeam
- eastern fox squirrel
- eastern cricket frog
- eastern catholicism
- east indian rosewood
- dynamic loudspeaker
- dryopteris goldiana
- dryopteris fragrans
- drunk-and-disorderly
- dorsal scapular vein
- donald arthur glaser
- domesticated animal
- doctor of humanities
- division phaeophyta
- diversionary attack
- dissociation energy
- discretionary trust
- dicamptodon ensatus
- dental orthopaedics
- delusional disorder
- deflationary spiral
- deductive reasoning
- de facto segregation
- davidson's penstemon
- cystopteris montana
- cynoglossum amabile
- cutaneous sensation
- cupressus goveniana
- cupressus arizonica
- crotalus adamanteus
- criminal possession
- crataegus tomentosa
- court of saint james's
- cotoneaster dammeri
- coryphaena hippurus
- cortaderia selloana
- corporal punishment
- coronavirus disease
- cornelius jansenius
- coreopsis tinctoria
- cordyline australis
- cordia gerascanthus
- coptis groenlandica
- conversion reaction
- conversion hysteria
- contract of adhesion
- continuing trespass
- constructive breach
- connarus guianensis
- congenital disorder
- confederate soldier
- confederate jasmine
- conduction deafness
- computer simulation
- complementary close
- competitor analysis
- compassionate leave
- communist manifesto
- common staghorn fern
- common lady's-slipper
- colutea arborescens
- college of cardinals
- clinical depression
- clianthus speciosus
- class xanthophyceae
- class pyrenomycetes
- class hymenomycetes
- class dicotyledones
- class cyanobacteria
- class coniferopsida
- cirsium lanceolatum
- christian schonbein
- choloepus hoffmanni
- chinese scholartree
- chinese scholar tree
- chinese parasol tree
- chelifer cancroides
- cheilanthes eatonii
- charles vii of france
- charles ii of england
- charles henry harrod
- chamaemelum nobilis
- chaenopsis ocellata
- cerebrospinal fluid
- cercis occidentalis
- celtis occidentalis
- celestial longitude
- catherine i of russia
- catharanthus roseus
- castanea ozarkensis
- cassia occidentalis
- cascade transformer
- casanova de seingalt
- cardigan welsh corgi
- cardamine douglasii
- capital of singapore
- calostoma ravenelii
- calostoma lutescens
- calopogon tuberosum
- calochortus elegans
- calochortus amoenus
- california sycamore
- california allspice
- bubalus mindorensis
- brush-tail porcupine
- bronchoscopic smear
- brevoortia tyrannis
- breech presentation
- bradley's spleenwort
- bouvier des flandres
- bougainville island
- bone-headed dinosaur
- bocconia frutescens
- bird-footed dinosaur
- bidens trichosperma
- bernese mountain dog
- battle of buena vista
- bastardy proceeding
- barbados maidenhair
- barack hussein obama
- ball-and-socket joint
- automobile industry
- autoimmune disorder
- autoimmune diabetes
- associate in nursing
- assistant professor
- asian tiger mosquito
- asian horseshoe crab
- ascomycetous fungus
- arteria communicans
- artemisia abrotanum
- arrowleaf groundsel
- arnold lucius gesell
- arisaema dracontium
- arisaema atrorubens
- arches national park
- arboreal salamander
- anterograde amnesia
- anselm of canterbury
- anolis carolinensis
- anointing of the sick
- anoa depressicornis
- annona diversifolia
- anion-exchange resin
- anamnestic response
- alveolar resorption
- almond-leaves willow
- alice-josephine pons
- aleurites moluccana
- aleksandr prokhorov
- aleksandr pavlovich
- agitated depression
- agelaius phoeniceus
- affricate consonant
- aegilops triuncalis
- adult-onset diabetes
- adlerian psychology
- acute brain disorder
- acoustic resistance
- acoustic projection
- acoustic phenomenon
- acer pseudoplatanus
- acentric chromosome
- accounts receivable
- absorption spectrum
