| CONGRESSPEOPLE | • congresspeople n. Plural of congressperson. • CONGRESSPEOPLE n. congressmen or congresswomen. |
| DIPLEIDOSCOPES | • dipleidoscopes n. Plural of dipleidoscope. • DIPLEIDOSCOPE n. an instrument for ascertaining the moment of meridian passage by observing the coincidence of two images. |
| EPIPHYTOLOGIES | • EPIPHYTOLOGY n. the study of epiphytes. |
| LEPTOCEPHALOUS | • leptocephalous adj. Relating to a leptocephalus. • LEPTOCEPHALOUS adj. having a narrow skull, also LEPTOCEPHALIC. |
| OMPHALOSKEPSES | • OMPHALOSKEPSIS n. the contemplation of one's own navel to induce a mental trance. |
| PALAEOPEDOLOGY | • palaeopedology n. Alternative spelling of paleopedology. • palæopedology n. Obsolete spelling of paleopedology. • PALAEOPEDOLOGY n. the study of early soils. |
| PALEOGEOGRAPHY | • paleogeography n. Alternative spelling of palaeogeography. • PALEOGEOGRAPHY n. the geography of ancient times or of a particular past geological epoch. |
| PARALEIPOMENON | • PARALEIPOMENON n. a thing added as a supplement to a main text, also PARALIPOMENON. |
| PHILOSOPHERESS | • philosopheress n. (Rare) A female philosopher. • PHILOSOPHERESS n. a female philosopher, also PHILOSOPHESS. |
| PHILOSOPHESSES | • philosophesses n. Plural of philosophess. • PHILOSOPHESS n. a female philosopher, also PHILOSOPHERESS. |
| PHOTOTELEGRAPH | • phototelegraph n. (Dated) An image transmitted by phototelegraphy. • PHOTOTELEGRAPH n. an instrument for transmitting drawings telegraphically. |
| POLYPROPYLENES | • polypropylenes n. Plural of polypropylene. • POLYPROPYLENE n. any of various thermoplastic plastics or fibers that are polymers of propylene, also POLYPROPENE. |
| POPULOUSNESSES | • POPULOUSNESS n. the state of being populous. |
| PREOPERATIONAL | • preoperational adj. Prior to a surgical operation. • preoperational adj. In or relating to a Piagetian phase of child development characterized by sparse and logically inadequate… • PREOPERATIONAL adj. preceding an operation. |
| PREPOSTEROUSLY | • preposterously adv. In a preposterous manner. • PREPOSTEROUS adv. contrary to nature, reason, or common sense. |
| PROSENCEPHALON | • prosencephalon n. (Neuroanatomy) Forebrain. • PROSENCEPHALON n. the forebrain. |
| TELEPHOTOGRAPH | • telephotograph n. A photograph taken with a telephoto lens. • telephotograph n. (Dated) A photograph transmitted by wire. • telephotograph v. (Transitive) To photograph with a telephoto lens. |