| ANTIHYDROGENS | • antihydrogens n. Plural of antihydrogen. • ANTIHYDROGEN n. an antimatter form of hydrogen. |
| CHIMNEYBOARDS | • CHIMNEYBOARD n. a board blocking up a fireplace. |
| CHLOROHYDRINS | • chlorohydrins n. Plural of chlorohydrin. • CHLOROHYDRIN n. any of various organic compounds derived from diols or polyhydroxy alcohols by substitution of chlorine for part of the hydroxyl groups. |
| DEHYDROGENISE | • dehydrogenise v. Alternative spelling of dehydrogenize. • DEHYDROGENISE v. to remove hydrogen from, also DEHYDROGENIZE. |
| DISHONOURABLY | • dishonourably adv. (Britain) Alternative spelling of dishonorably. • DISHONOURABLE adv. not honourable, also DISHONORABLE. |
| DISINHIBITORY | • disinhibitory adj. That disinhibits. • disinhibitory adj. Of, or relating to a disinhibitor. • DISINHIBITORY adj. serving to disinhibit. |
| DYSMENORRHEIC | • dysmenorrheic adj. Of, pertaining to, or experiencing dysmenorrhea. • DYSMENORRHEIC adj. relating to dysmenorrhea, also DYSMENORRHOEIC. |
| HYALURONIDASE | • hyaluronidase n. (Biochemistry) Any enzyme that catalyses the hydrolysis of hyaluronic acid. • HYALURONIDASE n. a mucolytic enzyme that facilitates the spread of fluids through tissues by lowering the viscosity of hyaluronic acid. |
| HYBRIDISATION | • hybridisation n. Alternative form of hybridization. • HYBRIDISATION n. the process of hybridising, also HYBRIDIZATION. |
| HYDRODYNAMICS | • hydrodynamics n. (Physics) The scientific study of fluids in motion. • HYDRODYNAMICS n. the study of movement in liquids, also HYDROMECHANICS. |
| HYDROFORMINGS | • HYDROFORMING n. the catalytic reforming of petroleum to increase the proportion of aromatic and branched-chain hydrocarbons. |
| HYDROGENISING | • hydrogenising v. Present participle of hydrogenise. • HYDROGENISE v. to hydrogenate, also HYDROGENIZE. |
| HYDROKINETICS | • hydrokinetics n. (Physics) The branch of physics concerned with the movement of fluids. • HYDROKINETICS n. the study of the motion of fluids. |
| HYDROLYSATION | • hydrolysation n. Alternative form of hydrolyzation. • HYDROLYSATION n. the process of hydrolysing, also HYDROLYZATION. |
| HYDROQUINONES | • hydroquinones n. Plural of hydroquinone. • HYDROQUINONE n. another name for quinol. |
| HYDROZINCITES | • hydrozincites n. Plural of hydrozincite. • HYDROZINCITE n. a monoclinic basic carbonate of zinc that is a secondary mineral occurring as light-coloured crusts on zinc deposits. |
| HYPOCHONDRIAS | • hypochondrias n. Plural of hypochondria. • HYPOCHONDRIA n. suffering from imaginary illness. |
| PYRITOHEDRONS | • pyritohedrons n. Plural of pyritohedron. • PYRITOHEDRON n. a pentagonal dodecahedron. |
| SYNARTHRODIAL | • synarthrodial adj. Relating to synarthrosis. • SYNARTHRODIAL adj. of, relating to, or being a synarthrosis. |
| SYNCHONDROSIS | • synchondrosis n. (Anatomy) A form of only slightly-moveable articulation between bones joined by hyaline cartilage, as… • SYNCHONDROSIS n. synarthrosis in which the bone surfaces are connected by cartilage. |