| HYPOMORPHS | • hypomorphs n. Plural of hypomorph. • HYPOMORPH n. a mutant gene but having a similar but weaker effect than the corresponding wild-type gene. |
| LOPHOPHORE | • lophophore n. (Zoology) A feeding organ of brachiopods, bryozoans and phoronids. • LOPHOPHORE n. a ring of ciliated tentacles round the mouth of some sedentary marine animals. |
| OPHIOMORPH | • OPHIOMORPH n. a caecilian amphibian. |
| PHONOGRAPH | • phonograph n. A device that captures sound waves onto an engraved archive; a lathe. • phonograph n. (Britain, historical) A device that records or plays sound from cylinder records. • phonograph n. (North America, historical) A record player. |
| PHONOPHORE | • phonophore n. The phonetic component of a character in Chinese and related writing systems. • phonophore n. A type of telegraph. • PHONOPHORE n. a sound-conducting apparatus, of various kinds; a device for telephoning and telegraphing simultaneously by the same wire. |
| PHOSPHORES | • phosphores n. Plural of phosphore. • PHOSPHORE n. phosphorus; a phosphorescent or fluorescent substance generally, also PHOSPHOR. |
| PHOSPHORET | • phosphoret n. A compound of phosphorus that does not include oxygen. • PHOSPHORET n. (obsolete) a phosphide, also PHOSPHURET. |
| PHOSPHORIC | • phosphoric adj. (Chemistry) Of or pertaining to phosphorus. • phosphoric adj. Resembling phosphorus. • phosphoric adj. (Chemistry) Of a compound, containing phosphorus in a higher oxidation number than phosphorous compounds… |
| PHOSPHORUS | • phosphorus n. (Chemistry) a chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms. • phosphorus n. (Obsolete) any substance exhibiting phosphorescence; a phosphor. • Phosphorus prop.n. A name sometimes used for Hesperus, the personification in Greek mythology of the planet Venus. |
| PHOSPHORYL | • phosphoryl n. (Chemistry) the trivalent radical O=P≡. • PHOSPHORYL n. the radical PO, regarded as the typical nucleus of certain compounds. |
| PHOTOGRAPH | • photograph n. A picture created by projecting an image onto a photosensitive surface such as a chemically treated… • photograph v. (Transitive, intransitive) To take a photograph (of). • photograph v. (Transitive, figurative) To fix permanently in the memory etc. |
| PHOTOPHORE | • photophore n. (Biology) A light-emitting organ, found in some fish and other marine animals. • photophore n. (Medicine) A form of endoscope using an electric light. • PHOTOPHORE n. a luminiferous organ. |
| PHOTOTROPH | • phototroph n. A photoautotroph. • PHOTOTROPH n. a plant which uses light to generate energy needed to absorb nutrients. |