| BURAN | • buran n. Alternative form of borani. • Buran prop.n. A Soviet spacecraft, modeled after the American Space Shuttle. • BURAN n. (Russian) a violent blizzard blowing from the NE in Siberia and central Asia, also BURA. |
| FURAN | • furan n. (Organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon… • FURAN n. a chemical used in tanning, also FURANE, FURFURAN. |
| ANURAN | • anuran n. (Batrachology) Any amphibian of the order Anura; a frog, a toad. • anuran adj. (Batrachology) Of or relating to the order Anura. • ANURAN n. a toad or a frog. |
| ECHIURAN | • echiuran n. Any annelid worm of the subclass Echiura, formerly considered to be its own phylum. • ECHIURAN n. one of the Echiura, a phylum of marine invertebrates, aka spoonworms. |
| FURFURAN | • furfuran n. (Organic chemistry) Furan. • FURFURAN n. a chemical used in tanning, also FURAN, FURANE. |
| MACRURAN | • macruran n. (Zoology) Any of many decapod crustaceans, such as the lobster and shrimp, that were once included in… • MACRURAN n. any of a suborder of crustaceans. |
| OPHIURAN | • ophiuran adj. (Zoology) Of or relating to the Ophiuroidea. • ophiuran n. (Zoology) Any member of the echinoderm class Ophiuroidea; a brittle star. • OPHIURAN n. a member of the Ophiura genus of brittle-stars or sand-stars, also OPHIURA, OPHIURID, OPHIUROID. |
| PROTURAN | • proturan n. Any of many primitive insects, of the order Protura, that lack eyes and wings. • proturan adj. Of or pertaining to these insects. • PROTURAN n. any of an order of white wingless insects. |
| THIOFURAN | • thiofuran n. Thiophene. • THIOFURAN n. a five-membered heterocyclic compound with sulphur, aka thiophen. |
| BENZOFURAN | • benzofuran n. (Organic chemistry) Any of a class of bicyclic heterocycles consisting of a benzene ring fused with one of furan. • BENZOFURAN n. a compound found in coal tar. |
| BRACHYURAN | • brachyuran adj. Of or pertaining to crabs. • brachyuran n. (Zoology) A crab. • BRACHYURAN n. any member of the Brachyura, a group of decapod crustaceans. |
| CARBOFURAN | • carbofuran n. (Chemistry) A highly toxic carbamate pesticide used on field crops. |
| NITROFURAN | • nitrofuran n. A class of drug, derived from furan, used to inhibit bacterial growth. • NITROFURAN n. any of several furan derivatives used as bacteria-inhibiting agents. |
| THYSANURAN | • thysanuran n. Any of various insects, including the silverfish and firebrats, of the order Thysanura (now Zygentoma)… • THYSANURAN n. a member of the bristletails, an order of small wingless insects with abdominal appendages. |
| XIPHOSURAN | • xiphosuran n. (Zoology) Any member of the order Xiphosura, including horseshoe crabs. • xiphosuran adj. (Zoology) Of or pertaining to the order Xiphosura. • XIPHOSURAN adj. belonging to the Xiphosura, an order of Arthropoda of which the only survivors are the king crabs. |
| DIBENZOFURAN | • dibenzofuran n. (Organic chemistry) The tricyclic heterocycle in which two benzene rings are fused to that of furan;… • DIBENZOFURAN n. a highly toxic chemical compound that is used in chemical synthesis and as an insecticide. |
| TETRAHYDROFURAN | • tetrahydrofuran n. (Organic chemistry) A heterocyclic ether having a five-membered ring with four carbon atoms and one… • TETRAHYDROFURAN n. a flammable liquid ether derived from furan and used as a solvent and as an intermediate in organic synthesis. |