| APHELIOTROPISM | • apheliotropism n. The habit of bending away from sunlight, as some plants do. • APHELIOTROPISM n. growth away from the sun. |
| DEIPNOSOPHISTS | • deipnosophists n. Plural of deipnosophist. • DEIPNOSOPHIST n. a person skilled in dinner conversation. |
| EPIPHYTOLOGIES | • EPIPHYTOLOGY n. the study of epiphytes. |
| IMPERATORSHIPS | • IMPERATORSHIP n. the office of imperator. |
| INSPECTORSHIPS | • inspectorships n. Plural of inspectorship. • INSPECTORSHIP n. the office of inspector. |
| PETROPHYSICIST | • petrophysicist n. One who studies petrophysics. • PETROPHYSICIST n. a student of petrophysics. |
| PHILANTHROPIES | • philanthropies n. Plural of philanthropy. • PHILANTHROPY n. love of mankind. |
| PHOTOPERIODISM | • photoperiodism n. (Biology) The growth, development and other responses of plants and animals according to the length… • PHOTOPERIODISM n. a plant or animal's response or capacity to respond to photoperiod. |
| PITHECANTHROPI | • PITHECANTHROPUS n. any of several primitive extinct men from Java. |
| PROGENITORSHIP | • progenitorship n. The state of being a progenitor. • PROGENITORSHIP n. the state of being a progenitor. |
| PROPRIETORSHIP | • proprietorship n. The state of being a proprietor; ownership. • PROPRIETORSHIP n. the office of proprietor. |
| PSILANTHROPIES | • PSILANTHROPY n. the belief that Christ was not divine but divinely inspired. |
| PTERIDOPHILIST | • PTERIDOPHILIST n. a fern-lover. |
| PYELONEPHRITIC | • pyelonephritic adj. Relating to pyelonephritis. • PYELONEPHRITIC adj. relating to pyelonephritis, inflammation of both the kidney and its pelvis. |
| PYELONEPHRITIS | • pyelonephritis n. (Pathology) An ascending urinary tract infection of the renal pelvis. • PYELONEPHRITIS n. inflammation of both the kidney and its pelvis. |
| SPINTHARISCOPE | • spinthariscope n. (Historical) An early device for observing individual nuclear disintegrations. • SPINTHARISCOPE n. an instrument for visually detecting alpha particles. |