| OPHTHALMOPLEGIA | • ophthalmoplegia n. (Medicine) A complete paralysis of the extraocular muscles which are responsible for eye movements. • OPHTHALMOPLEGIA n. paralysis of the ocular muscles. |
| PALAEOGRAPHISTS | • palaeographists n. Plural of palaeographist. • palæographists n. Plural of palæographist. • PALAEOGRAPHIST n. a student of palaeography, also PALAEOGRAPHER. |
| PALAEONTOGRAPHY | • palaeontography n. The description of fossil remains in scientific literature. • palaeontography n. The representation of forms of life represented by fossil remains. • PALAEONTOGRAPHY n. descriptive palaeontology, the description of fossil remains. |
| PALAEOPATHOLOGY | • palaeopathology n. Alternative form of paleopathology. • PALAEOPATHOLOGY n. the pathological study of the ancient remains of animals and humans. |
| PALAEOPHYTOLOGY | • palaeophytology n. Alternative form of paleophytology. • PALAEOPHYTOLOGY n. the study of fossil plants, palaeobotany. |
| PAMPHLETEERINGS | • PAMPHLETEERING n. the writing and/or distribution of pamphlets. |
| PHOTOTELEGRAPHS | • phototelegraphs n. Plural of phototelegraph. • PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically. |
| PHOTOTELEGRAPHY | • phototelegraphy n. The fax system. • PHOTOTELEGRAPHY n. the transmission of drawings by phototelegraph. |
| PLETHYSMOGRAPHS | • plethysmographs n. Plural of plethysmograph. • PLETHYSMOGRAPH n. an instrument for measuring change in body part size due to blood flow. |
| PLETHYSMOGRAPHY | • plethysmography n. (Medicine) The diagnostic use of a plethysmograph. • PLETHYSMOGRAPHY n. measurement by use of a plethysmograph, an instrument for measuring change in body part size due to blood flow. |
| PTERYLOGRAPHIES | • pterylographies n. Plural of pterylography. • PTERYLOGRAPHY n. a description of pterylae. |
| TELEPHOTOGRAPHS | • telephotographs n. Plural of telephotograph. • TELEPHOTOGRAPH n. a photograph of a distant object taken by a suitable lens. |
| TELEPHOTOGRAPHY | • telephotography n. (Photography) Photography of distant subjects using a telephoto lens. • telephotography n. (Dated) The transmission of images over a distance, especially by facsimile. • TELEPHOTOGRAPHY n. the photography of distant objects (as by a camera provided with a telephoto lens). |