| GEOHYDROLOGY | • geohydrology n. (Geology) hydrogeology. • GEOHYDROLOGY n. a science that deals with the character, source, and mode of occurrence of underground water. |
| HYDROBIOLOGY | • hydrobiology n. (Biology) The study of the biology of the organisms that inhabit bodies of water. • HYDROBIOLOGY n. the study of aquatic organisms. |
| HYDROCODONES | • hydrocodones n. Plural of hydrocodone. • HYDROCODONE n. a semisynthetic opioid drug derived from codeine and thebaine. |
| HYDROCOLLOID | • hydrocolloid n. Any material that forms a colloid (especially a gel) when mixed with water. • hydrocolloid n. Such a material, made from agar, used to make dental impressions. • HYDROCOLLOID n. a substance that yields a gel with water. |
| HYDROGEOLOGY | • hydrogeology n. The geology of groundwater, especially concerning the physical, biological and chemical properties of… • HYDROGEOLOGY n. the study of the geological action of water. |
| HYDROPHOBOUS | • hydrophobous adj. Hydrophobic. • HYDROPHOBOUS adj. (obsolete) water-repellent. |
| HYPOTROCHOID | • hypotrochoid n. (Geometry) A geometric curve traced by a fixed point on the radius line outside one circle which rotates… • HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle. |
| MONOHYDROGEN | • monohydrogen n. (Chemistry, in combination) A single hydrogen atom in a compound. • MONOHYDROGEN adj. designating compounds containing one hydrogen atom or ion for each combining radical or ion, e.g. disodium monohydrogen orthophosphate. |
| MONOPHYODONT | • monophyodont adj. (Biology) Having only one set of teeth. • monophyodont n. (Biology) Any organism with only one set of teeth. • MONOPHYODONT n. an animal with only one set of teeth. |
| NEOORTHODOXY | • Neoorthodoxy n. Alternative form of Neo-orthodoxy. • neo-orthodoxy n. (Christianity, theology) A theological movement developed in the aftermath of World War I, largely a… • Neo-orthodoxy n. Alternative letter-case form of neo-orthodoxy. |
| ODONTOGRAPHY | • odontography n. A scientific description of the teeth. • ODONTOGRAPHY n. a description or history of teeth. |
| POLYPHYODONT | • polyphyodont n. Any animal whose teeth are continuously replaced. • POLYPHYODONT adj. having more than two successive dentitions. |
| UNORTHODOXLY | • unorthodoxly adv. In an unorthodox manner, unconventionally. • UNORTHODOX adv. not orthodox. |