| CARBOXYLASE | • carboxylase n. (Biochemistry) Any enzyme that catalyzes either a carboxylation or decarboxylation reaction. • CARBOXYLASE n. an enzyme that catalyzes decarboxylation or carboxylation. |
| CATCHPHRASE | • catchphrase n. A repeated expression, often originating in popular culture. • catchphrase n. A signature phrase of a particular person or group. • catch-phrase n. Alternative spelling of catchphrase. |
| CHRYSOPRASE | • chrysoprase n. (Mineralogy) A variety of light-green translucent quartz. • CHRYSOPRASE n. a green variety of chalcedony used as a gem. |
| COLLAGENASE | • collagenase n. (Biochemistry) An enzyme that breaks the peptide bonds in collagen. • COLLAGENASE n. any of a group of proteolytic enzymes that decompose collagen and gelatin. |
| COUNTERBASE | • counterbase n. Archaic form of contrabass. • COUNTERBASE n. (Italian) the double bass, also CONTRABASS, CONTRABASSO, CONTRABBASSO. |
| DIPEPTIDASE | • dipeptidase n. (Biochemistry) Any of a class of enzymes that hydrolyze dipeptides in the small intestine. • DIPEPTIDASE n. any of various enzymes that hydrolyze dipeptides but not polypeptides. |
| EXONUCLEASE | • exonuclease n. (Biochemistry, genetics) Any of a group of enzymes which cleave single nucleotides from the end of a… • EXONUCLEASE n. an enzyme that breaks down a nucleic acid by removing nucleotides one by one from the end of a chain. |
| GLUCOKINASE | • glucokinase n. A hexokinase isozyme that facilitates phosphorylation of glucose to glucose-6-phosphate, occurring in… • GLUCOKINASE n. a hexokinase found esp. in the liver that catalyzes the phosphorylation of glucose. |
| GLUCOSIDASE | • glucosidase n. (Biochemistry) Any enzyme that hydrolyses glucosides. • GLUCOSIDASE n. an enzyme, such as maltase, that hydrolyzes a glucoside. |
| GLUTAMINASE | • glutaminase n. (Biochemistry) Any enzyme that catalyzes the conversion of glutamine to glutamic acid and ammonia. • GLUTAMINASE n. an enzyme that hydrolyzes glutamine to glutamic acid and ammonia. |
| GLYCOSIDASE | • glycosidase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of a glycoside. • GLYCOSIDASE n. an enzyme that catalyzes the hydrolysis of a bond joining a sugar of a glycoside to an alcohol or another sugar unit. |
| HISTAMINASE | • histaminase n. (Biochemistry) A widely occurring flavoprotein enzyme that oxidizes histamine and various diamines. • HISTAMINASE n. a digestive enzyme that converts histidine to histamine. |
| HYDROGENASE | • hydrogenase n. (Biochemistry) Any enzyme that catalyzes the reduction of a substrate by the reversible oxidation of hydrogen. • HYDROGENASE n. an enzyme that catalyzes hydrogen formation in certain microorganisms. |
| HYDROXYLASE | • hydroxylase n. (Biochemistry) Any of several enzymes that catalyze the oxidation of compounds by the introduction of hydroxyl groups. • HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions. |
| LECITHINASE | • lecithinase n. An enzyme that catalyzes the hydrolysis of lecithin. • LECITHINASE n. an enzyme which catalyses the hydrolysis of lecithin. |
| NITROGENASE | • nitrogenase n. (Biochemistry) Any enzyme, especially in nitrogen-fixing bacteria, that catalyzes the conversion of… • NITROGENASE n. an enzyme complex that catalyses nitrogen in the nitrogen fixation process. |
| PHOSPHATASE | • phosphatase n. (Biochemistry) Any of several enzymes that hydrolyze phosphate esters, and are important in the metabolism… • PHOSPHATASE n. an enzyme that catalyses the hydrolysis of phosphate esters. |
| PLAGIOCLASE | • plagioclase n. (Mineralogy) Any of a group of aluminum silicate feldspathic minerals ranging in their ratio of calcium to sodium. • PLAGIOCLASE n. a fine-grained volcanic rock of intermediate composition, consisting largely of plagioclase and one or more mafic minerals. |
| PREPURCHASE | • prepurchase adj. Prior to purchase. • prepurchase v. (Transitive) To purchase in advance. • prepurchase n. A purchase made in advance. |
| TRANSFERASE | • transferase n. (Biochemistry) Any of various enzymes that catalyze the transfer of a functional group, such as amine… • TRANSFERASE n. an enzyme that promotes transfer of a group from one molecule to another. |