| COPYEDITORS | • copyeditors n. Plural of copyeditor. • copy␣editors n. Plural of copy editor. |
| CYPRINODONT | • cyprinodont n. (Zoology) Any of the Cyprinodontidae, a family of fishes including the killifishes or minnows. • CYPRINODONT n. any small tropical or subtropical soft-finned fish of the mostly marine family Cyprinodontidae, resembling carp but having toothed jaws. |
| DIOPTOMETRY | • DIOPTOMETRY n. the measurement of ocular refraction. |
| HYDROPHOBIA | • hydrophobia n. (Pathology) An aversion to water, as a symptom of rabies; the disease of rabies itself. • hydrophobia n. (Psychology, colloquial) A morbid fear of water; aquaphobia. • HYDROPHOBIA n. the morbid fear of water, as in rabies victims. |
| HYDROPHOBIC | • hydrophobic adj. Of, or having, hydrophobia (rabies). • hydrophobic adj. (Physics, chemistry) Lacking an affinity for water; unable to absorb or to be wetted by water. • HYDROPHOBIC adj. having a morbid fear of water. |
| HYDROPONICS | • hydroponics n. The cultivation of plants in a nutrient solution rather than in the soil. • HYDROPONICS n. the practice of growing plants in a chemical solution without soil. |
| HYDROSCOPIC | • hydroscopic n. Misspelling of hygroscopic. • HYDROSCOPIC adj. relating to a hydroscope, also HYDROSCOPICAL. |
| HYDROTROPIC | • hydrotropic adj. (Biology) exhibiting hydrotropism. • HYDROTROPIC adj. exhibiting hydrotropism, i.e. growth in the direction of water. |
| HYPERBOLOID | • hyperboloid n. A particular surface in three-dimensional Euclidean space, the graph of a quadratic with all three variables… • HYPERBOLOID n. a solid figure in which some of the plane sections are hyperbolas. |
| HYPOTHYROID | • hypothyroid adj. Of or pertaining to hypothyroidism. • hypothyroid adj. Having hypothyroidism. • HYPOTHYROID adj. affected with hypothyroidism. |
| MYRIAPODOUS | • MYRIAPODOUS adj. like a myriapod. |
| PONDEROSITY | • ponderosity n. The quality of requiring extensive thought. • ponderosity n. (Obsolete) Weight; heaviness. • PONDEROSITY n. the state of being ponderous. |
| PORPHYROIDS | • porphyroids n. Plural of porphyroid. • PORPHYROID n. a metamorphic rock having a texture characterized by large crystals set in a finer groundmass. |
| PTERIDOLOGY | • pteridology n. (Botany) The scientific study of ferns and other pteridophytes. • PTERIDOLOGY n. the study of ferns. |
| PYROXENOIDS | • pyroxenoids n. Plural of pyroxenoid. • PYROXENOID n. a mineral like pyroxene, a common mineral occurring in monoclinic crystals. |