| HIPPOLOGIST | • hippologist n. One who studies horses. • HIPPOLOGIST n. a student of horses. |
| HOPLOLOGIST | • hoplologist n. Someone who is an expert in weapons and armour (especially military uses or knowledge thereof). • HOPLOLOGIST n. a student of hoplology, the study of weapons. |
| HYPNOLOGIST | • hypnologist n. One who is versed in hypnology. • HYPNOLOGIST n. one who studies sleep. |
| NEPHOLOGIST | • nephologist n. One who studies nephology. • NEPHOLOGIST n. a practitioner of nephology, the study of clouds. |
| OPHIOLOGIST | • ophiologist n. One who studies ophiology. • OPHIOLOGIST n. a student of ophiology. |
| PATHOLOGIES | • pathologies n. Plural of pathology. • PATHOLOGY n. the study of diseases or abnormalities or, more particularly, of the changes in tissues or organs that are associated with disease. |
| PATHOLOGISE | • pathologise v. Alternative spelling of pathologize. • PATHOLOGISE v. to make pathological, also PATHOLOGIZE. |
| PATHOLOGIST | • pathologist n. An expert in pathology; a specialist who examines samples of body tissues for diagnostic or forensic purpose. • PATHOLOGIST n. a specialist in pathology. |
| PHENOLOGIST | • phenologist n. One who studies phenology. • PHENOLOGIST n. a student of phenology. |
| PHILOLOGIST | • philologist n. A person who engages in philology (historical linguistics), especially as a profession; a collector… • philologist n. A person devoted to general learning and literature. • philologist n. A person devoted to classical scholarship. |
| PHLOGISTONS | • phlogistons n. Plural of phlogiston. • PHLOGISTON n. (Greek) the hypothetical principle of fire regarded formerly as a material substance. |
| PHLOGOPITES | • phlogopites n. Plural of phlogopite. • PHLOGOPITE n. a brown mica containing magnesium, a constituent of limestones and dolomites. |
| PHONOLOGIST | • phonologist n. (Linguistics) A person who specializes in phonology, the functional use of sounds in language. • PHONOLOGIST n. a student of phonology, the branch of linguistics that deals with systems of sounds. |
| PHOTOGLYPHS | • PHOTOGLYPH n. photographic engraving. |
| PHOTOLYSING | • photolysing v. Present participle of photolyse. • PHOTOLYSE v. to cause photolysis in, also PHOTOLYZE. |
| PHYCOLOGIST | • phycologist n. One who studies algae as a profession. • PHYCOLOGIST n. a student of phycology, the study of algae and seaweeds. |
| PHYTOLOGIES | • phytologies n. Plural of phytology. • PHYTOLOGY n. the study of plants. |
| PHYTOLOGIST | • phytologist n. One skilled in phytology; a writer on plants; a botanist. • PHYTOLOGIST n. a botanist. |