9 3 noun n noun
• a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
Example sentence • The ethylenes in this chemical mixture can be dangerous if mishandled.
10 3 noun, adjective n, adj noun
• the bivalent radical CH2 derived from methane
Example sentence • The synthesis of methylenes involves the reaction of an aldehyde or ketone with a reducing agent.
10 3 noun n
No meanings yet for this word...
14 5 noun n noun
• a polymer of propylene used as a thermoplastic molding material
Example sentence • The polypropylenes in this product make it durable and long-lasting.
10 3 noun, adjective n, adj
No meanings yet for this word...
Example sentence • She wore a luxurious coat made of zibellines during the winter.
14 5 noun n noun
• a tricyclic antidepressant drug (trade name Elavil) with serious side effects; interacts with many other medications
Example sentence • The doctor prescribed amitriptylines to help with my chronic pain.
9 3 noun n
No meanings yet for this word...
Example sentence • The production of hexylenes has increased in recent years.
10 3 noun n
No meanings yet for this word...
Example sentence • The chemical structure of pentylenes is composed of a five-carbon chain.
5 1 verb, noun v, n noun
• to have the ability to produce a particular effect or achieve an end
Example sentence • Money is a means to buy things.
5 1 noun n noun
• (used in the plural) close-fitting trousers of heavy denim for manual work or casual wear
Example sentence • I need to buy a new pair of jeans .
7 2 noun n noun
• an amphibious division of the United States Navy
6 1 noun n noun
• a borough of New York City, it is the easternmost, largest in area, and second-largest in population of New York City's five boroughs
7 2 noun n noun
• small dry indehiscent fruit with the seed distinct from the fruit wall
Example sentence • The dandelion produces achenes that are dispersed by the wind.
6 2 noun n
No meanings yet for this word...
Example sentence • Strawberries are an example of a plant that produces akenes .
7 2 noun, adjective n, adj noun
• any unsaturated aliphatic hydrocarbon
Example sentence • The unsaturated nature of alkenes makes them highly reactive.
9 3 noun, adjective n, adj
No meanings yet for this word...
Example sentence • The antigenes proteins are responsible for triggering an immune response.
6 2 noun n
No meanings yet for this word...
Example sentence • Benzene is the simplest of the arenes .
15 4 noun n
No meanings yet for this word...
Example sentence • Some benzanthracenes are known to be carcinogenic.
10 3 noun n noun
• the fourth stage of the prophase of meiosis
Example sentence • During diplotenes , the chromosomes become more condensed and visible under the microscope.
8 3 noun n noun
• An epicene word; preceded by the: the epicene words of a language as a class.
Example sentence • The concept of epicenes challenges traditional gender norms.
7 2 noun n noun
• a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
Example sentence • Polyethylene is made from ethenes .
10 3 noun n noun
• Any of a class of metallocenes containing an iron atom between two cyclopentadienyl rings; especially the simplest of the class bis-cyclopentadienyl iron.
Example sentence • The use of ferrocenes in drug discovery has gained significant attention.
9 2 noun n noun
• necrotic tissue; a mortified or gangrenous part or mass
9 3 noun n
No meanings yet for this word...
Example sentence • The gasogenes was invented in the early 19th century as a device for producing illuminating gas.
9 3 noun n noun
• a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
5 1 noun n noun
• (genetics) a segment of DNA that is involved in producing a polypeptide chain; it can include regions preceding and following the coding DNA as well as introns between the exons; it is considered a unit of heredity
Example sentence • Our genes determine our unique physical characteristics.
7 2
No meanings yet for this word...
10 3 verb v verb
• get involved, so as to alter or hinder an action, or through force or threat of force
Example sentence • The teacher intervenes when students are arguing.
10 4 noun n
No meanings yet for this word...
Example sentence • The production of isobutenes has increased in recent years.
9 3 noun n
No meanings yet for this word...
Example sentence • Some plants release isoprenes into the atmosphere.
9 3 noun n noun
• a flammable hydrocarbon oil used as fuel in lamps and heaters
9 3 noun n noun
• a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
9 3 noun n noun
• carotenoid that makes tomatoes red; may lower the risk of prostate cancer
Example sentence • Watermelon is a good source of lycopenes .
9 2 noun n
No meanings yet for this word...
12 4 noun n
No meanings yet for this word...
Example sentence • Limonene is one of the most commonly encountered monoterpenes .
12 3 noun n noun
• a white crystalline strong-smelling hydrocarbon made from coal tar or petroleum and used in organic synthesis and as a fumigant in mothballs
Example sentence • The chemical synthesis of naphthalenes involves the cyclization of certain precursors.
9 3 noun, adjective n, adj noun
• a synthetic rubber that is resistant to oils and aging; used in waterproof products
Example sentence • I bought a new pair of neoprenes gloves for my winter sports.
13 4 noun n noun
• a poisonous oily water-soluble liquid used as a solvent and in the manufacture of aniline
Example sentence • Some nitrobenzenes are highly toxic and must be handled with extreme caution.
9 3 noun n noun
• a gene that disposes normal cells to change into cancerous tumor cells
Example sentence • Mutations in oncogenes can lead to uncontrolled cell growth.
10 3 noun n noun
• the third stage of the prophase of meiosis
Example sentence • During pachytenes , the chromosomal pairing and recombination events take place.
8 2 noun n
No meanings yet for this word...
Example sentence • Charles Darwin's theory of inheritance included the concept of pangenes .
10 3 noun, adjective n, adj
No meanings yet for this word...
11 3
No meanings yet for this word...
Example sentence • The new plasticenes have improved flexibility and durability compared to previous versions.
8 3 noun n noun
• An organic compound containing several double bonds, especially one containing a sequence of many alternating single and double bonds
Example sentence • Some polyenes are naturally occurring compounds found in plants and animals.
9 3 noun n noun
• a gene that by itself has little effect on the phenotype but which can act together with others to produce observable variations
Example sentence • The trait for eye color is influenced by polygenes .
12 4 noun n noun
• a polymer of styrene; a rigid transparent thermoplastic
Example sentence • The recycling process for polystyrenes can be complex.
10 3 noun n noun
• a lightweight thermoplastic; used especially in packaging and insulation
Example sentence • My sandwich was wrapped in polythenes .
8 2 noun n noun
• a flammable gas obtained by cracking petroleum; used in organic synthesis
Example sentence • Scientists are studying the reactivity of propenes in various chemical reactions.
10 3 noun n noun
• a flammable gas obtained by cracking petroleum; used in organic synthesis
Example sentence • The chemical composition of propylenes includes three carbon atoms.
7 2 noun
• a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
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