| HYOPLASTRON | • hyoplastron n. (Anatomy) The second lateral plate in the plastron of turtles. • HYOPLASTRON n. in a turtle's plastron, a plate between the hypoplastron and the entoplastron. |
| HYPNOLOGIES | • HYPNOLOGY n. the study of sleep or hypnosis. |
| HYPNOLOGIST | • hypnologist n. One who is versed in hypnology. • HYPNOLOGIST n. one who studies sleep. |
| LYCHNOSCOPE | • lychnoscope n. (Architecture) A low side window in a church. • LYCHNOSCOPE n. a low side window. |
| MONOPHYLIES | • MONOPHYLY n. the state of being monophyletic. |
| PHILOGYNOUS | • philogynous adj. Fond of women. • PHILOGYNOUS adj. loving women. |
| PHOTOLYSING | • photolysing v. Present participle of photolyse. • PHOTOLYSE v. to cause photolysis in, also PHOTOLYZE. |
| PODOPHYLINS | • PODOPHYLIN n. a cathartic resin obtained from the rhizomes of the Podophyllum genus, also PODOPHYLLIN. |
| POLYHEDRONS | • polyhedrons n. Plural of polyhedron. • POLYHEDRON n. a body or solid contained by many sides or planes. |
| POLYPHENOLS | • polyphenols n. Plural of polyphenol. • POLYPHENOL n. a polyhydroxy phenol. |
| POLYPHONIES | • polyphonies n. Plural of polyphony. • POLYPHONY n. composition in separate, but simultaneous and harmonizing, parts. |
| POLYPHONIST | • polyphonist n. One who is proficient in the art of multiplying sounds; a ventriloquist. • polyphonist n. (Music) A master of polyphony; a contrapuntist. • POLYPHONIST n. a contrapuntist, one who writes counterpoint. |
| POLYPHONOUS | • polyphonous adj. Polyphonic. • POLYPHONOUS adj. relating to polyphony, also POLYPHONIC. |
| SPHAGNOLOGY | • sphagnology n. The study of sphagnum mosses. • SPHAGNOLOGY n. the study of peat moss. |
| STYLOPHONES | • stylophones n. Plural of stylophone. • STYLOPHONE n. a type of battery-powered electronic instrument played with a steel-tipped pen-like stylus. |
| XYLOPHONIST | • xylophonist n. Someone who plays a xylophone. • XYLOPHONIST n. one who plays the xylophone. |