| COSPONSORSHIP | • cosponsorship n. Joint sponsorship by more than one party. • COSPONSORSHIP n. the state of being a cosponsor. |
| DEIPNOSOPHIST | • deipnosophist n. A master of the art of dining, particularly learned conversation in the manner of Athenaeus’s characters. • DEIPNOSOPHIST n. a person skilled in dinner conversation. |
| DOORSTEPPINGS | • doorsteppings n. Plural of doorstepping. • DOORSTEPPING n. going from door to door canvassing. |
| NEPHROSCOPIES | • nephroscopies n. Plural of nephroscopy. • NEPHROSCOPY n. use of the nephroscope. |
| OPPOSITIONIST | • oppositionist n. A person who opposes; especially a member of an official opposition. • OPPOSITIONIST n. a member of an opposition. |
| PERISPOMENONS | • PERISPOMENON n. a word having a circumflex accent on the final syllable. |
| PHOSPHOKINASE | • phosphokinase n. (Biochemistry) kinase. • PHOSPHOKINASE n. a kind of enzyme, aka kinase. |
| PHOSPHORISING | • phosphorising v. Present participle of phosphorise. • PHOSPHORISE v. to combine or impregnate with phosphorus, also PHOSPHORIZE. |
| POLYISOPRENES | • polyisoprenes n. Plural of polyisoprene. • POLYISOPRENE n. a rubberlike polymer of isoprene. |
| PORPHYROPSINS | • porphyropsins n. Plural of porphyropsin. • PORPHYROPSIN n. a purple pigment in the retinal rods of freshwater fishes that resembles rhodopsin. |
| POSTPOSITIONS | • postpositions n. Plural of postposition. • POSTPOSITION n. the placing of a grammatical element after a word to which it is primarily related in a sentence. |
| PRAXINOSCOPES | • praxinoscopes n. Plural of praxinoscope. • PRAXINOSCOPE n. an instrument with mirrors in which a series of moving drawings appear as a continuously moving picture; an early form of cinematograph. |
| PREPOSSESSION | • prepossession n. Preoccupation; having possession beforehand. • prepossession n. A preconceived opinion, or previous impression; bias, prejudice. • PREPOSSESSION n. a fixed conception likely to preclude objective judgment of anything seeming to be counter to it. |
| PROCONSULSHIP | • proconsulship n. The office or status of a proconsul; a proconsulate. • PROCONSULSHIP n. the office of proconsul. |
| PROSCRIPTIONS | • proscriptions n. Plural of proscription. • PROSCRIPTION n. the act of proscribing. |
| PROSOPAGNOSIA | • prosopagnosia n. (Neurology, pathology, psychology) A form of visual agnosia characterized by difficulty with face recognition… • PROSOPAGNOSIA n. inability to recognize familiar faces. |
| SIPHONOPHORES | • siphonophores n. Plural of siphonophore. • SIPHONOPHORE n. a marine creature, colonial in habit. |
| SUPERPOSITION | • superposition n. The placing of one thing on top of another. • superposition n. (Geology) The deposition of one stratum over another; the principle that in a series of sedimentary… • superposition n. (Quantum mechanics) The situation in quantum mechanics where two or more quantum states are added together… |
| SUPPOSITIONAL | • suppositional adj. Relating to, or based on, supposition; hypothetical; conjectural. • SUPPOSITIONAL adj. having the nature of a supposition. |