| DEMOGRAPHY | • demography n. The study of the characteristics of human populations, especially with regards to their makeup and fluctuations… • demography n. The study of the structure and population dynamics of other lifeforms, such as mammals, insects, plants, etc. • demography n. The particular demographic makeup of a population. |
| DIHYDROGEN | • dihydrogen n. (Chemistry) The divalent radical formed from two separate hydrogen atoms or ions. • dihydrogen n. (Chemistry, modifying a noun) Describing a dihydrogen bond. • dihydrogen n. (Inorganic chemistry) The hydrogen molecule H2. |
| DOXOGRAPHY | • doxography n. The work or works of classical historians describing the opinions of Ancient Greek philosophers and scientists. • DOXOGRAPHY n. the compilation of opinions on philosophers. |
| EDAPHOLOGY | • edaphology n. The ecological relationship of soil with plants, and land cultivation practices. • EDAPHOLOGY n. the science of soil as a plant growing medium. |
| GIPSYHOODS | • GIPSYHOOD n. the state of being a gypsy, also GYPSYHOOD. |
| GOODLYHEAD | • GOODLYHEAD n. (Spenser) goodness, also GOODLIHEAD. |
| GRAYHOUNDS | • grayhounds n. Plural of grayhound. • GRAYHOUND n. a tall slender fast-moving dog of an ancient breed originally used for coursing, also GREYHOUND. |
| GREYHOUNDS | • greyhounds n. Plural of greyhound. • greyhounds n. (Usually with the) A greyhound racing event; the sport of greyhound racing. • Greyhounds n. Plural of Greyhound. |
| GYPSYHOODS | • GYPSYHOOD n. the state of being a gypsy, also GIPSYHOOD. |
| HOLIDAYING | • holidaying v. Present participle of holiday. • HOLIDAY v. to take a vacation. |
| HONEYGUIDE | • honeyguide n. Any of several brood-parasitic Old World tropical birds, of the family Indicatoridae, that primarily… • honey␣guide n. (Botany) Colorful spots or stripes on a flower that indicate to insects where the nectar is produced. • HONEYGUIDE n. an African bird that guides men and ratels to honey. |
| HYDRAGOGUE | • hydragogue adj. (Medicine) Causing a discharge of water; expelling serum effused into any part of the body, as in dropsy. • hydragogue n. Any medicine of this kind, usually a cathartic or diuretic. • HYDRAGOGUE adj. causing discharge of water. |
| HYDROGRAPH | • hydrograph n. A graph of flow past a point in a river versus time. • hydrograph n. A graph of water table versus time. • HYDROGRAPH n. a graph of variation of stream flow over time. |
| HYDROLOGIC | • hydrologic adj. Of or pertaining to hydrology. • HYDROLOGIC adj. relating to hydrology, also HYDROLOGICAL. |
| HYGRODEIKS | • hygrodeiks n. Plural of hygrodeik. • HYGRODEIK n. a form of hygrometer having wet and dry bulb thermometers. |
| IDEOGRAPHY | • ideography n. The use of ideograms; logography. • IDEOGRAPHY n. the representation of ideas independently of sounds, or in an ideographic manner, as sometimes is done in shorthand writing, etc. |
| PLAYDOUGHS | • playdoughs n. Plural of playdough. • PLAYDOUGH n. a soft reusable modelling material for young children. |