| HETEROPHONY | • heterophony n. (Music) The simultaneous performance by a number of singers or musicians of two or more versions of the same melody. • HETEROPHONY n. an independent variation on a single melody by two or more voices. |
| HOMEOTHERMY | • homeothermy n. The state or condition of being homeothermic. • HOMEOTHERMY n. the maintenance of a constant body temperature, also HOMEOTHERMISM, HOMOIOTHERMY, HOMOTHERMY. |
| HYDROPHYTON | • hydrophyton n. (Biology) A branched structure that supports the zooids in colonial hydrozoa. • HYDROPHYTON n. the coenosarc of a hydroid colony. |
| HYDROTHORAX | • hydrothorax n. (Medicine) The presence of fluid in the pleural cavity. • HYDROTHORAX n. water liquid in the pleural cavity. |
| HYPOSTROPHE | • hypostrophe n. (Medicine) The act of a patient turning himself or herself. • hypostrophe n. (Medicine) A relapse, or return of a disease. • hypostrophe n. (Rhetoric) The use of insertion or parenthesis. |
| HYPOTHYROID | • hypothyroid adj. Of or pertaining to hypothyroidism. • hypothyroid adj. Having hypothyroidism. • HYPOTHYROID adj. affected with hypothyroidism. |
| LITHOCHROMY | • LITHOCHROMY n. painting upon stone. |
| ORTHOGNATHY | • orthognathy n. The condition of being orthognathous. • ORTHOGNATHY n. the state of having normally aligned jaws. |
| ORTHOGRAPHY | • orthography n. (Countable, architecture) A form of projection used to represent three-dimensional objects in two dimensions… • orthography n. (Linguistics). • orthography n. (Countable, obsolete) Synonym of orthographer (“someone knowledgeable in spelling rules”). |
| ORTHOPHYRES | • ORTHOPHYRE n. a fine-grained syenitic rock with orthoclase crystals. |
| ORTHOPHYRIC | • orthophyric adj. Relating to or composed of orthophyre. • ORTHOPHYRIC adj. relating to orthophyre, a fine-grained syenitic rock with orthoclase crystals. |
| ORTHOSTICHY | • orthostichy n. (Botany) A row of leaves along a stem. • ORTHOSTICHY n. a straight row, e.g. of leaves vertically over one another on an axis. |
| PHOTOCHROMY | • photochromy n. The art or process of reproducing colours by photography. • PHOTOCHROMY n. a former process of colour photography. |
| PHOTOGRAPHY | • photography n. The art and technology of producing images on photosensitive surfaces, and its digital counterpart. • photography n. The occupation of taking (and often printing) photographs. • PHOTOGRAPHY n. the process of producing images by the action of radiant energy and esp. light on a sensitive surface. |
| PHYTOCHROME | • phytochrome n. (Biochemistry) Any of a class of pigments that control most photomorphogenic responses in higher plants. • PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth. |
| RHYNCHODONT | • RHYNCHODONT adj. having a toothed beak. |