| GYROCOPTERS | • gyrocopters n. Plural of gyrocopter. • GYROCOPTER n. an airplane balanced and supported by the aerodynamic forces acting on rapidly rotating horizontal or slightly inclined airfoils, also GYROPLANE. |
| HYETOGRAPHS | • hyetographs n. Plural of hyetograph. • HYETOGRAPH n. an instrument for recording rainfall. |
| HYGROPHYTES | • hygrophytes n. Plural of hygrophyte. • HYGROPHYTE n. a plant adapted to a plentiful water-supply. |
| OSTEOGRAPHY | • osteography n. The scientific description of bones; osteology. • OSTEOGRAPHY n. a description of bones. |
| OSTREOPHAGY | • OSTREOPHAGY n. the eating of oysters. |
| PANEGYRISTS | • panegyrists n. Plural of panegyrist. • PANEGYRIST n. one who delivers a panegyric. |
| PESTERINGLY | • pesteringly adv. In a pestering manner; annoyingly, bothersomely. • PESTERING adv. PESTER, to bother. |
| PETROGLYPHS | • petroglyphs n. Plural of petroglyph. • PETROGLYPH n. an ancient rock-carving. |
| PROSELYTING | • proselyting v. Present participle of proselyte. • PROSELYTE v. to become a proselyte. |
| PROTOGYNIES | • PROTOGYNY n. the development of female organs before male to avoid self-fertilization. |
| SEROTYPINGS | • serotypings n. Plural of serotyping. • SEROTYPING n. assignation to a particular serotype. |
| SPECTROLOGY | • spectrology n. The science of spectrum analysis. • spectrology n. The study of ghosts and spirits; demonology. • SPECTROLOGY n. the study of ghosts. |
| STENOGRAPHY | • stenography n. The practice of transcribing speech (primarily for later dictation or testimony), usually using shorthand. • STENOGRAPHY n. the skill or occupation of writing in shorthand. |
| TAPESTRYING | • tapestrying v. Present participle of tapestry. • TAPESTRY v. to decorate with a woven wall hanging. |
| TRYPSINOGEN | • trypsinogen n. (Biochemistry) An inactive precursor of trypsin. • TRYPSINOGEN n. the inactive substance from which trypsin is formed in the duodenum. |