| DEHYDRORETINOL | • dehydroretinol n. (Organic chemistry) A derivative of retinol having an extra double bond; vitamin A2. • DEHYDRORETINOL n. vitamin A2. |
| HYDROCORALLINE | • HYDROCORALLINE n. a member the Hydrozoa, which includes millepores etc. |
| HYDROGENOLYSIS | • hydrogenolysis n. (Chemistry) the cleavage of a molecule, especially that of a carbon-carbon bond, with the addition of… • HYDROGENOLYSIS n. a chemical reaction in which a compound is decomposed by hydrogen. |
| HYDROLYSATIONS | • hydrolysations n. Plural of hydrolysation. • HYDROLYSATION n. the process of hydrolysing, also HYDROLYZATION. |
| HYDROLYZATIONS | • hydrolyzations n. Plural of hydrolyzation. • HYDROLYZATION n. the process of hydrolyzing, also HYDROLYSATION. |
| HYDROPONICALLY | • hydroponically adv. Using hydroponics. • HYDROPONIC adv. relating to hydroponics, the practice of growing plants in a chemical solution without soil. |
| HYDROXYLATIONS | • hydroxylations n. Plural of hydroxylation. • HYDROXYLATION n. the act of hydroxylating. |
| HYDROXYPROLINE | • hydroxyproline n. (Biochemistry) A hydroxy derivative of the amino acid proline found in the structural proteins of connective tissue. • HYDROXYPROLINE n. an amino acid. |
| INTRODUCTORILY | • introductorily adv. By way of introduction. • INTRODUCTORY adv. serving to introduce, also INTRODUCTIVE. |
| LABYRINTHODONT | • labyrinthodont adj. (Zoology) Having teeth with a labyrinthine (maze-like) internal structure. • labyrinthodont n. Any extinct amphibian of the subclass Labyrinthodontia. • LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth. |
| MONOGLYCERIDES | • monoglycerides n. Plural of monoglyceride. • MONOGLYCERIDE n. any of various esters of glycerol in which only one of the three hydroxyl groups is esterified and which are often used as emulsifiers. |
| NEURORADIOLOGY | • neuroradiology n. The radiology of the nervous system; especially the use of radiation to diagnose and treat disorders… • NEURORADIOLOGY n. radiology of the nervous system. |
| PERIODONTOLOGY | • periodontology n. (Dentistry) Periodontics. • PERIODONTOLOGY n. the branch of dentistry concerned with periodontal diseases. |
| RADIOTELEPHONY | • radiotelephony n. The transmission of sound (in both directions) using modulated radio waves rather than wires. • radio␣telephony n. The transmission of speech using modulated radio waves. • RADIOTELEPHONY n. communication by radiotelephone. |