| PHOTORECEPTOR | • photoreceptor n. (Biology) A specialized neuron or other structure able to detect and react to light. • PHOTORECEPTOR n. a receptor for light stimuli. |
| PROTECTORSHIP | • protectorship n. The office of a protector or regent; protectorate. • PROTECTORSHIP n. the office of protector. |
| PROTOTROPHIES | • prototrophies n. Plural of prototrophy. • PROTOTROPHY n. the state of being prototrophic. |
| PYRETOTHERAPY | • pyretotherapy n. (Obsolete, medicine) pyrotherapy. • PYRETOTHERAPY n. medical treatment by causing fever. |
| HYPERPITUITARY | • HYPERPITUITARY adj. relating to increased hormone secretion by the pituitary body. |
| PHOTORECEPTORS | • photoreceptors n. Plural of photoreceptor. • PHOTORECEPTOR n. a receptor for light stimuli. |
| PROTECTORSHIPS | • protectorships n. Plural of protectorship. • PROTECTORSHIP n. the office of protector. |
| PROTOSPATHAIRE | • PROTOSPATHAIRE n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHARIUS. |
| 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. |
| INTERPRETERSHIP | • interpretership n. A qualification in interpreting. • interpretership n. The state of being an interpreter. • INTERPRETERSHIP n. the office of interpreter. |
| PROTOSPATHAIRES | • PROTOSPATHAIRE n. (historical) the captain of the guards at Byzantium, also PROTOSPATAIRE, PROTOSPATHARIUS. |
| PYRETOTHERAPIES | • PYRETOTHERAPY n. medical treatment by causing fever. |
| PYROPHOTOMETERS | • PYROPHOTOMETER n. a type of pyrometer in which the temperature of an incandescent body is determined by photometric measurement of the light it emits. |