| HYPOPLOIDS | • hypoploids n. Plural of hypoploid. • HYPOPLOID n. a chromosome number a few below the normal diploid number. |
| HYPOPLOIDY | • hypoploidy n. The condition of being hypoploid. • HYPOPLOIDY n. the state of being hypoploid, having a chromosome number a few below the normal diploid number. |
| PHILOSOPHY | • philosophy n. (Uncountable, originally) The love of wisdom. • philosophy n. (Uncountable) An academic discipline that seeks truth through reasoning rather than empiricism. • philosophy n. (Countable) A comprehensive system of belief. |
| PHONOTYPIC | • phonotypic adj. Of or relating to phonotypy. • PHONOTYPIC adj. of or like a phonotype, a printing type of phonetic alphabet, also PHONOTYPICAL. |
| PHOTOPHILY | • PHOTOPHILY n. the state of being photophilic, light-loving, turning towards the light. |
| PHOTOTYPIC | • phototypic adj. Of or pertaining to a phototype or phototypy. • PHOTOTYPIC adj. of or pertaining to a phototype or phototypy. |
| PODOPHYLIN | • PODOPHYLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLLIN. |
| PODOPHYLLI | • PODOPHYLLUM n. the dried rootlet and rhizome of the mayapple, used as a caustic. |
| POLYPHONIC | • polyphonic adj. Of or relating to polyphony. • polyphonic adj. (Music) having two or more independent but harmonic melodies; contrapuntal. • polyphonic adj. (Of an electronic device) able to play more than one musical note at the same time. |
| PORPHYRIOS | • porphyrios n. Plural of porphyrio. • PORPHYRIO n. any bird of the purple-coot genus Porphyrio. |
| PORPHYROID | • porphyroid n. (Mineralogy) A crystalline and schistose rock containing porphyritic crystals of feldspar. • PORPHYROID n. a metamorphic rock having a texture characterized by large crystals set in a finer groundmass. |
| PYROPHOBIA | • pyrophobia n. An fear or hatred of fire or flames. • PYROPHOBIA n. fear of fire. |
| PYROPHOBIC | • pyrophobic adj. Suffering from pyrophobia; afraid of fire. • pyrophobic n. A person who is afraid of fire. • PYROPHOBIC n. one having an irrational fear of fires. |
| PYROPHORIC | • pyrophoric adj. Spontaneously igniting in air, especially when in a finely divided state. • pyrophoric adj. Producing sparks, especially by friction. • pyrophoric adj. (Fire investigation) Able to oxidize with exposure to atmospheric oxygen at normal temperatures. |