| HYPERTROPHIC | • hypertrophic adj. Of, pertaining to, or exhibiting hypertrophy. • HYPERTROPHIC adj. grown to an abnormal size, also HYPERTROPHICAL. |
| HYPNOPHOBIAS | • HYPNOPHOBIA n. an irrational fear of sleep. |
| HYPOPHRYGIAN | • hypophrygian adj. (Music) Of or relating to a musical mode or diatonic scale in medieval chant theory, the fourth mode… • hypophrygian n. (Music) The hypophrygian mode. • Hypophrygian adj. Alternative form of hypophrygian. |
| HYPOSULPHITE | • hyposulphite n. Alternative spelling of hyposulfite. • HYPOSULPHITE n. a salt of hyposulphurous acid. |
| HYPSOGRAPHIC | • hypsographic adj. (Sciences) Of or relating to hypsography (measuring altitude or depth versus area). • HYPSOGRAPHIC adj. relating to hypsography, the branch of geography dealing with the measurement and mapping of heights above sea level, also HYPSOGRAPHICAL. |
| HYPSOPHOBIAS | • HYPSOPHOBIA n. a fear of falling from high places. |
| PHILANTHROPY | • philanthropy n. (Chiefly uncountable) Benevolent altruism with the intention of increasing the well-being of humankind. • philanthropy n. (Uncountable) Charitable giving, charity. • philanthropy n. (Countable) A philanthropic act. |
| PHOSPHATIDYL | • phosphatidyl n. (Organic chemistry) A radical derived from a phosphatide. • PHOSPHATIDYL n. any of several monovalent groups that are derived from phosphatidic acids. |
| PHOTOGLYPHIC | • photoglyphic adj. Relating to the art of engraving by the action of light. • PHOTOGLYPHIC adj. of or like a photoglyph, photographic engraving. |
| PHYCOPHAEINS | • PHYCOPHAEIN n. a brown pigment found in seaweeds. |
| PHYSIOGRAPHY | • physiography n. (Geography) The subfield of geography that studies physical patterns and processes of the Earth. It… • physiography n. The descriptive part of a natural science as distinguished from the explanatory or theoretical part. • PHYSIOGRAPHY n. physical geography. |
| PHYTOGRAPHIC | • PHYTOGRAPHIC adj. relating to phytogeography. |
| PHYTOPHAGIES | • PHYTOPHAGY n. of insects, feeding on plants. |
| PSYCHOPATHIC | • psychopathic adj. Exhibiting the behaviors and personality traits of a psychopath. • psychopathic n. (Dated) A psychopath. • PSYCHOPATHIC adj. relating to psychopathy. |