| APOSTLESHIPS | • apostleships n. Plural of apostleship. • APOSTLESHIP n. the state of being an apostle. |
| HIPPOLOGISTS | • hippologists n. Plural of hippologist. • HIPPOLOGIST n. a student of horses. |
| HYPOPLASTIES | • hypoplasties n. Plural of hypoplasty. • HYPOPLASTY n. incomplete development of a part or organ, also HYPOPLASIA. |
| PERSULPHATES | • persulphates n. Plural of persulphate. • PERSULPHATE n. that sulphate of a metal which contains the relatively greater quantity of oxygen or of the acid radical, also PERSULFATE. |
| PHILLIPSITES | • PHILLIPSITE n. a hydrated silicate of potassium, calcium and aluminum. |
| PHILOSOPHIST | • philosophist n. A practitioner or adherent of philosophism. • philosophist n. (Rare) Synonym of philosopher. • PHILOSOPHIST n. a would-be philosopher. |
| PHYTOPLASMAS | • phytoplasmas n. Plural of phytoplasma. |
| PISSASPHALTS | • PISSASPHALT n. a semiliquid bitumen. |
| POLYPHONISTS | • polyphonists n. Plural of polyphonist. • POLYPHONIST n. a contrapuntist, one who writes counterpoint. |
| POSTHOSPITAL | • posthospital adj. After a period spent in hospital. • POSTHOSPITAL adj. taking place after a stay in hospital. |
| PRELATESHIPS | • prelateships n. Plural of prelateship. • PRELATESHIP n. the office of prelate. |
| PSEPHOLOGIST | • psephologist n. An expert in psephology. • PSEPHOLOGIST n. one who studies election results and trends. |
| SLAPHAPPIEST | • slaphappiest adj. Superlative form of slaphappy: most slaphappy. • SLAPHAPPY adj. happy-go-lucky. |
| SPHEROPLASTS | • spheroplasts n. Plural of spheroplast. • SPHEROPLAST n. a bacterium or yeast cell that is modified, as by enzymatic action, so that there is partial loss of the cell wall and increased osmotic sensitivity. |
| TROPHOPLASMS | • trophoplasms n. Plural of trophoplasm. • TROPHOPLASM n. the nutritive substance of cell. |