4 1 verb, noun v, n noun
• an authoritative direction or instruction to do something
Example sentence • Several high-profile bids were submitted for the construction project.
7 3 noun n noun
• very small free-living arachnid that is parasitic on animals or plants; related to ticks
Example sentence • These acarids can cause allergic reactions in some individuals.
5 2 noun n noun
• any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
adjective satellite
• harsh or corrosive in tone
Example sentence • Fatty acids are essential for the proper functioning of the body.
7 3 noun n noun
• a lizard of the family Agamidae
Example sentence • The agamids in the exhibit at the zoo were fascinating to watch.
6 2 noun n noun
• A bird of the family Alcidae, including auks, auklets, razorbills, dovekies, guillemots, and puffins.
Example sentence • The population of alcids has been declining due to habitat loss and climate change.
5 2
No meanings yet for this word...
Example sentence • She remained calm amids the chaos.
8 3 noun n noun
• an agent that counteracts or neutralizes acidity (especially in the stomach)
adjective satellite
• acting to neutralize acid (especially in the stomach)
Example sentence • I often take antacids after a spicy meal to relieve my indigestion.
9 3 noun n
No meanings yet for this word...
Example sentence • In mosses, antherids are typically found on the top of the male gametophyte.
6 2 noun n noun
• any of various small plant-sucking insects
Example sentence • The rose bushes in my garden are infested with aphids .
9 3 noun n noun
• air-breathing arthropods characterized by simple eyes and four pairs of legs
Example sentence • Spiders, scorpions, and ticks are all examples of arachnids .
7 3 noun n noun
• Any of a class of strong, heat-resistant synthetic fibres, used in aerospace and military applications.
Example sentence • These gloves are made from aramids .
8 3 noun n noun
• Any phasmid nematode of the family Ascarididae (Ascaridae)
Example sentence • Treatment for ascarids usually involves medication to kill the worms.
9 3 noun n noun
• a tooth having two cusps or points; located between the incisors and the molars
adjective satellite
• having two cusps or points (especially a molar tooth)
Example sentence • My dentist told me that I needed to have my bicuspids extracted.
9 4 noun n noun
• A byproduct of domestic and commercial sewage and wastewater treatment.
Example sentence • The biosolids from the wastewater treatment plant are used as fertilizer.
9 3 noun n noun
• moderate-sized Asiatic moth whose larvae feed on mulberry leaves and produce silk
Example sentence • Studies have shown that bombycids have distinct mating behaviors.
6 2 noun n adjective
• of or relating to or belonging to the genus Bos (cattle)
noun
• hollow-horned ruminants
Example sentence • The African buffalo is one of the largest bovids .
7 2
No meanings yet for this word...
10 4 noun n noun
• free-swimming stalkless crinoid with ten feathery arms; found on muddy sea bottoms
Example sentence • The fossils of ancient comatulids date back to the Late Permian period.
9 4 noun n noun
• a weak soluble dibasic acid (the parent acid of cyanamide salts)
Example sentence • Farmers often use cyanamids to promote plant growth.
9 3 noun n adjective
• of or relating to members of fish family Cyprinidae
noun
• soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales
Example sentence • The population of cyprinids in the lake has been steadily declining.
7 2 noun n Example sentence • Under the microscope, desmids appear as tiny symmetrical cells.
7 3 noun n
No meanings yet for this word...
Example sentence • Polymer synthesis often involves the reaction of diacids with diols.
8 3 noun n noun
• reptile having a pair of openings in the skull behind each eye
Example sentence • The evolution of diapsids led to the emergence of the first flying reptiles.
9 3 noun n noun
• a hybrid produced by parents that differ only at two gene loci that have two alleles each
Example sentence • The Punnett square can be used to determine the phenotypic ratios of dihybrids .
9 3 noun n
No meanings yet for this word...
7 3 noun n noun
• any of numerous venomous fanged snakes of warmer parts of both hemispheres
Example sentence • King cobras, black mambas, and taipans are all elapids .
9 4 noun n noun
• any of various widely distributed beetles
Example sentence • The elaterids have elongated bodies and can jump to escape predators.
10 4 noun n
10 3 noun n
No meanings yet for this word...
Example sentence • Scientists are studying the migration patterns of euphausids to better understand their behavior.
11 4 noun n noun
• large extinct scorpion-like arthropod considered related to horseshoe crabs
Example sentence • The fossils of eurypterids are commonly found in North America and Europe.
7 3 noun n noun
• either of two folds of skin that can be moved to cover or open the eye
Example sentence • She closed her eyelids tightly to protect her eyes from the bright sunlight.
8 2 noun n
No meanings yet for this word...
7 2 verb v Example sentence • My mom forbids me from staying out late.
10 4 noun n
No meanings yet for this word...
Example sentence • Scientists study fusulinids to understand ancient marine ecosystems.
6 2 noun n noun
• Any member of the family Gadidae of fish such as cod and pollack.
4 1 noun n
No meanings yet for this word...
Example sentence • I need a gids to navigate through the city.
8 2 noun n noun
• a barbed spine or bristle (often tufted on cacti)
Example sentence • Watch out for the glochids on the cactus when handling it.
9 2 noun n Example sentence • My grandkids are coming over for dinner tonight.
5 1 noun n noun
• a pattern of regularly spaced horizontal and vertical lines
Example sentence • The computer screen is just a collection of tiny grids of colored pixels.
8 3 noun n noun
• cyst filled with liquid; forms as a result of infestation by tapeworm larvae (as in echinococcosis)
Example sentence • The surgeon removed the hydatids from the patient's liver.
9 3 noun n
No meanings yet for this word...
Example sentence • Hydrochloric acid is a common example of hydracids .
7 2
No meanings yet for this word...
3 1 noun n noun
• (psychoanalysis) primitive instincts and energies underlying all psychic activity
Example sentence • I need to check everyone's ids before they can enter the building.
8 3 noun n noun
• lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males
Example sentence • The iguanids are characterized by their herbivorous diet and ability to regulate their body temperature.
8 3 noun, adjective n, adj adjective
• having no cogency or legal force
noun
• someone who is incapacitated by a chronic illness or injury
verb
• force to retire, remove from active duty, as of firemen
Example sentence • The hospital has a ward dedicated to caring for invalids .
6 3 noun n
No meanings yet for this word...
Example sentence • Some iodids are used in medicine for their antiseptic properties.
6 2 noun n
No meanings yet for this word...
7 2 noun n
No meanings yet for this word...
8 3 noun n noun
• large green long-horned grasshopper of North America; males produce shrill sounds by rubbing together special organs on the forewings
Example sentence • I could hear the chirping of katydids in the forest at night.
4 1 noun n noun
• a young person of either sex
verb
• tell false information to for fun
Example sentence • The kids are playing in the park.
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