| CRYOHYDRATE | • cryohydrate n. (Chemistry) Any salt that forms crystals containing water of crystallization only at low temperatures. • CRYOHYDRATE n. a crystalline substance containing water and a salt in definite proportions, a eutectic crystallizing below the freezing point of water. |
| DEHORTATORY | • dehortatory adj. Fitted or designed to dehort or dissuade. • DEHORTATORY adj. dissuasive, also DEHORTATIVE. |
| DEHYDRATORS | • dehydrators n. Plural of dehydrator. • DEHYDRATOR n. a dehydrating agent, also DEHYDRATER. |
| DERMOGRAPHY | • dermography n. A change in skin coloration in response to an irritating stimulus, such as scratching. • DERMOGRAPHY n. anatomical description of the skin, also DERMATOGRAPHY. |
| DISHONORARY | • dishonorary adj. Causing dishonour; tending to disgrace. • DISHONORARY adj. causing dishonour. |
| HYDROCARBON | • hydrocarbon n. (Organic chemistry) A compound consisting only of carbon and hydrogen atoms. • HYDROCARBON n. a compound of hydrogen and carbon with nothing else, occurring notably in oil, natural gas and coal. |
| HYDROCORALS | • hydrocorals n. Plural of hydrocoral. • HYDROCORAL n. any hydrozoan coelenterate of an order which includes the millepores. |
| HYDROCRACKS | • hydrocracks v. Third-person singular simple present indicative form of hydrocrack. • HYDROCRACK v. to crack hydrocarbons in the presence of hydrogen. |
| HYDROGRAPHS | • hydrographs n. Plural of hydrograph. • HYDROGRAPH n. a graph of variation of stream flow over time. |
| HYDROGRAPHY | • hydrography n. (Nautical) The scientific measurement and description of the physical features and conditions of navigable… • HYDROGRAPHY n. the study of bodies of water. |
| HYDROMANCER | • hydromancer n. One who practices hydromancy. • HYDROMANCER n. one who practises hydromancy. |
| HYDROTHORAX | • hydrothorax n. (Medicine) The presence of fluid in the pleural cavity. • HYDROTHORAX n. water liquid in the pleural cavity. |
| HYDROXYUREA | • hydroxyurea n. (Organic chemistry) The hydroxylated derivative of urea, NH2CO-NHOH, used as an antineoplastic drug;… • HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors. |
| HYPERDORIAN | • HYPERDORIAN adj. in Greek music, above the Dorian mode. |
| NORTHWARDLY | • northwardly adv. Northwards, towards the north. • northwardly adj. Having a northern direction. • NORTHWARDLY adv. in a northward direction. |
| PARATHYROID | • parathyroid adj. (Anatomy) Situated near the thyroid gland. • parathyroid adj. (Anatomy) Pertaining to the parathyroid glands or their extracts. • parathyroid n. A parathyroid gland. |
| PYRITOHEDRA | • pyritohedra n. Plural of pyritohedron. • PYRITOHEDRON n. a pentagonal dodecahedron. |
| RADIOGRAPHY | • radiography n. The process of making radiographs, and the science of analyzing them. • RADIOGRAPHY n. photography of the interior of a body or specimen by radiations other than light, such as X-rays, etc. |
| RADIOTHERMY | • RADIOTHERMY n. the treatment of disease by means of heat generated by electromagnetic radiation. |
| REHYDRATION | • rehydration n. The replenishment of water and electrolytes lost through dehydration. • REHYDRATION n. the act of rehydrating. |