| HELIOCHROMY | • heliochromy n. (Dated) The art of producing colour photographs. • HELIOCHROMY n. photography in natural colours. |
| HOLOPHYTISM | • holophytism n. (Biology) The property of being a holophyte. • HOLOPHYTISM n. the property of being holophytic, obtaining food by photosynthesis. |
| HOMOPHYLIES | • homophylies n. Plural of homophyly. • HOMOPHYLY n. resemblance due to common ancestry. |
| HOMOPHYLLIC | • HOMOPHYLLIC adj. exhibiting homophyly, resemblance due to common ancestry. |
| HYDROCHORIC | • hydrochoric adj. (Botany) Having seeds that are dispersed by water. • HYDROCHORIC adj. of or like a hydrochore, a plant disseminated by water. |
| 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. |
| HYLOMORPHIC | • hylomorphic adj. Pertaining to hylomorphism. • HYLOMORPHIC adj. relating to a materialist conception of universe. |
| HYPNOPHOBIA | • hypnophobia n. The fear of falling asleep. • HYPNOPHOBIA n. an irrational fear of sleep. |
| HYPOCHROMIC | • hypochromic adj. (Physics, chemistry) Describing a decrease in the intensity of a spectral band due to a change in the… • hypochromic adj. (Medicine) Having a lower than normal amount of hemoglobin in the red blood cells. |
| HYPOMORPHIC | • hypomorphic adj. (Genetics, of a mutation) causing a partial loss of gene function. • HYPOMORPHIC adj. of a mutation, causing a partial loss of gene function. |
| HYPOTHYROID | • hypothyroid adj. Of or pertaining to hypothyroidism. • hypothyroid adj. Having hypothyroidism. • HYPOTHYROID adj. affected with hypothyroidism. |
| HYPSOPHOBIA | • hypsophobia n. Fear of heights. • HYPSOPHOBIA n. a fear of falling from high places. |
| ICHTHYOLOGY | • ichthyology n. The branch of zoology devoted to the study of fish. • ICHTHYOLOGY n. the study of fish. |
| LITHOCHROMY | • LITHOCHROMY n. painting upon stone. |
| 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. |