| HYDRARGYRAL | • hydrargyral adj. (Obsolete) Relating to the chemical element mercury, or hydrargyrum. • HYDRARGYRAL adj. relating to hydrargyrum, mercury. |
| HYDROLYSATE | • hydrolysate n. (Chemistry) Any product of a hydrolysis reaction. • HYDROLYSATE n. a product of hydrolysis, also HYDROLYZATE. |
| HYDROLYSERS | • hydrolysers n. Plural of hydrolyser. • HYDROLYSER n. an agent that hydrolyses, also HYDROLYZER. |
| HYDROLYSING | • hydrolysing v. Present participle of hydrolyse. • HYDROLYSE v. to subject to hydrolysis, also HYDROLYZE. |
| HYDROLYZATE | • hydrolyzate n. Alternative form of hydrolysate. • HYDROLYZATE n. a product of hydrolysis, also HYDROLYSATE. |
| HYDROLYZERS | • hydrolyzers n. Plural of hydrolyzer. • HYDROLYZER n. an agent that hydrolyzes, also HYDROLYSER. |
| HYDROLYZING | • hydrolyzing v. Present participle of hydrolyze. • HYDROLYZE v. to subject to hydrolysis, also HYDROLYSE. |
| HYDROPOLYPS | • hydropolyps n. Plural of hydropolyp. • HYDROPOLYP n. a hydrozoan polyp. |
| 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. |
| HYDROXYLATE | • hydroxylate v. (Organic chemistry) To introduce a hydroxyl group into a compound. • HYDROXYLATE v. to introduce hydroxyl into. |
| HYPERDACTYL | • HYPERDACTYL adj. having more than five fingers or toes. |
| HYPERLYDIAN | • HYPERLYDIAN adj. in Greek music, above the Lydian mode. |
| HYPERPLOIDY | • hyperploidy n. The condition of being hyperploid. • HYPERPLOIDY n. the state of being hyperploid, in excess of but not exact multiple of diploid. |
| POLYHYBRIDS | • polyhybrids n. Plural of polyhybrid. • POLYHYBRID n. a plant hybridised from many sources. |
| POLYHYDROXY | • polyhydroxy adj. (Organic chemistry) Having three or more hydroxy functional groups. • POLYHYDROXY adj. containing more than one hydroxyl group in the molecule. |
| PYRAMIDALLY | • pyramidally adv. Like a pyramid; in a pyramidal manner or shape. • PYRAMIDAL adv. shaped like a pyramid. |
| SULFHYDRYLS | • sulfhydryls n. Plural of sulfhydryl. • SULFHYDRYL n. a chemical group, SH, characteristic of sulphur-containing compounds, also SULPHHYDRYL. |
| SULPHHYDRYL | • sulphhydryl n. Alternative spelling of sulfhydryl. • SULPHHYDRYL n. a chemical group, SH, characteristic of sulphur-containing compounds, also SULFHYDRYL. |
| TYROGLYPHID | • TYROGLYPHID n. a mite of the genus Tyroglyphus, including the cheesemite and the flour-mite. |