| CHOLINESTERASES | • cholinesterases n. Plural of cholinesterase. • CHOLINESTERASE n. an enzyme which breaks down a choline ester into choline and an acid, esp. acetylcholine into choline and acetic acid. |
| COPPERASES | • copperases n. Plural of copperas. • COPPERAS n. a compound used in making inks. |
| DINOCERASES | • DINOCERAS n. a uintathere, an animal of the genus Uintatherium, gigantic fossil ungulates. |
| EPIMERASES | • epimerases n. Plural of epimerase. • EPIMERASE n. an enzyme which catalyses inversion at an asymmetric carbon atom in a molecule containing more than one such atom. |
| ERASES | • erases v. Third-person singular simple present indicative form of erase. • erases n. Plural of erase. • ERASE v. to efface or rub out. |
| ESTERASES | • esterases n. Plural of esterase. • ESTERASE n. any of a number of enzymes that catalyse the hydrolysis of an ester. |
| ISOMERASES | • isomerases n. Plural of isomerase. • ISOMERASE n. an enzyme which speeds up the conversion of one isomeric compound to another isomeric form. |
| LUCIFERASES | • luciferases n. Plural of luciferase. • LUCIFERASE n. an oxidising enzyme in the luminous organs of certain animals that acts on luciferin to produce bioluminescence. |
| PECTINESTERASES | • pectinesterases n. Plural of pectinesterase. • PECTINESTERASE n. an enzyme that catalyzes the hydrolysis of pectins into pectic acids and methanol. |
| POLYMERASES | • polymerases n. Plural of polymerase. • POLYMERASE n. an enzyme present in cell nuclei which promotes the polymerization of DNA. |
| TELOMERASES | • telomerases n. Plural of telomerase. • TELOMERASE n. an enzyme, found in some cancer cells, that negates the actions of telomeres and enables rapid cell division. |
| TOPOISOMERASES | • topoisomerases n. Plural of topoisomerase. • TOPOISOMERASE n. any of a class of enzymes that reduce supercoiling in DNA by breaking and rejoining one or both strands of the DNA molecule. |
| TRANSFERASES | • transferases n. Plural of transferase. • TRANSFERASE n. an enzyme that promotes transfer of a group from one molecule to another. |