| AUTOCOPROPHAGY | • autocoprophagy n. The feeding on its own excrement. • AUTOCOPROPHAGY n. eating one's own feces. |
| HYPOPHOSPHORIC | • hypophosphoric adj. Of or pertaining to hypophosphoric acid or its derivatives. • HYPOPHOSPHORIC adj. as in hypophosphoric acid, a tetrabasic acid produced by the slow oxidation of phosphorus in moist ai. |
| OESOPHAGOSCOPY | • oesophagoscopy n. Alternative form of esophagoscopy. • OESOPHAGOSCOPY n. examination of the oesophagus, also ESOPHAGOSCOPY. |
| OPHTHALMOSCOPY | • ophthalmoscopy n. Examination of the eye with an ophthalmoscope. • ophthalmoscopy n. The design, construction and use of ophthalmoscopes. • OPHTHALMOSCOPY n. an examination by use of an ophthalmoscope. |
| PALEOPATHOLOGY | • paleopathology n. The study of ancient diseases. • paleopathology n. (Countable) Any ancient disease itself. • PALEOPATHOLOGY n. a branch of pathology concerned with ancient diseases as evidenced esp. in fossil or other remains. |
| PHOSPHOROLYSES | • phosphorolyses n. Plural of phosphorolysis. • PHOSPHOROLYSIS n. a reaction analogous to hydrolysis involving phosphoric acid. |
| PHOSPHOROLYSIS | • phosphorolysis n. (Chemistry) Any reaction, akin to hydrolysis, in which a bond is broken by the action of phosphoric acid or phosphate. • PHOSPHOROLYSIS n. a reaction analogous to hydrolysis involving phosphoric acid. |
| PHOSPHOROLYTIC | • phosphorolytic adj. Of or pertaining to phosphorolysis. • PHOSPHOROLYTIC adj. relating to phosphorolysis. |
| PHYTOPATHOLOGY | • phytopathology n. The study of plant diseases; plant pathology. • PHYTOPATHOLOGY n. plant pathology. |
| POLYMORPHOUSLY | • polymorphously adv. In a polymorphous manner. • POLYMORPHOUS adv. occurring in several forms. |
| POLYPHOSPHORIC | • polyphosphoric adj. (Chemistry) Used to describe polymeric phosphoric acids and their derivatives. • POLYPHOSPHORIC adj. as in polyphosphoric acid, any oxyacid of pentavalent phosphorus. |
| PROTOPORPHYRIN | • protoporphyrin n. (Biochemistry) Any porphyrin that lacks a central metal ion. • PROTOPORPHYRIN n. metal-free porphyrin derived from blood hemin. |
| PYROPHOSPHORIC | • pyrophosphoric adj. Of, or relating to pyrophosphoric acid or its derivatives. • PYROPHOSPHORIC adj. as in pyrophosphoric acid, a type of acid. |
| PYROPHOTOGRAPH | • PYROPHOTOGRAPH n. a burnt-in photograph, e.g. on glass or porcelain. |
| PYROPHOTOMETER | • PYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits. |
| PYROPHOTOMETRY | • PYROPHOTOMETRY n. the measurement of the temperature of an incandescent body by photometric measurement of the light it emits. |