| GYROPLANES | • gyroplanes n. Plural of gyroplane. • GYROPLANE n. an airplane balanced and supported by the aerodynamic forces acting on rapidly rotating horizontal or slightly inclined airfoils, also GYROCOPTER. |
| NEPHROLOGY | • nephrology n. (Medicine) The branch of medicine that deals with the function and diseases of the kidneys. • NEPHROLOGY n. the study of the kidneys. |
| OUTYELPING | • outyelping v. Present participle of outyelp. • OUTYELP v. to surpass in yelping. |
| OVERPLYING | • overplying v. Present participle of overply. • OVERPLY v. to ply to excess; overwork. |
| PHAENOLOGY | • phænology n. Archaic spelling of phenology. • PHAENOLOGY n. the study of organisms as affected by climate, also PHENOLOGY. |
| PHRENOLOGY | • phrenology n. (Medicine, biology) The science or now discredited pseudo-science, which studies the relationships between… • PHRENOLOGY n. the study of bumps on the head. |
| PHYLOGENIC | • phylogenic adj. Of or pertaining to phylogeny. • phylogenic adj. Phylogenetic. • PHYLOGENIC adj. relating to phylogenesis, the evolutionary development of a species or other group of organisms through a succession of forms, also PHYLOGENETIC. |
| POLYGENIES | • polygenies n. Plural of polygeny. • POLYGENY n. generation from multiple origins. |
| POLYGENISM | • polygenism n. (Ethnology) The belief that humans descended from more than one ancestral pair. • POLYGENISM n. the doctrine that animals of the same species have sprung from more than one original pair. |
| POLYGENIST | • polygenist n. One who maintains that animals of the same species are descended from more than one original pair. • POLYGENIST n. one who maintains that animals of the same species have sprung from more than one original pair. |
| POLYGENOUS | • polygenous adj. Consisting of, or containing, many kinds or genres. • polygenous adj. Of or pertaining to polygenesis. • POLYGENOUS adj. of multiple origin or composition. |
| POLYGONIES | • polygonies n. Plural of polygony. • POLYGONY n. (Spenser) the plant bistort. |
| POLYGYNIES | • polygynies n. Plural of polygyny. • POLYGYNY n. the condition of having more than one wife at the same time. |
| PONEROLOGY | • ponerology n. The study of evil. • PONEROLOGY n. the theological doctrine of wickedness or evil. |