(Pro"pyl) n. [Propionic + - yl.] (Chem.) The hypothetical radical C3H7, regarded as the essential
residue of propane and related compounds.
(||Prop`y*læ"um) n.; pl. Propylæa [L., fr. Gr. before + a gate.] (Anc. Classical Arch.) Any
court or vestibule before a building or leading into any inclosure.
(Pro"pyl*ene) n. [Cf. F. propylène.] (Chem.) A colorless gaseous hydrocarbon (C3H6) of
the ethylene series, having a garlic odor. It occurs in coal gas, and is produced artificially in various
ways. Called also propene.
(Pro*pyl"ic) a. (Chem.) Pertaining to, derived from, or containing, propyl; as, propylic alcohol.
(Pro*pyl"i*dene) n. (Chem.) See Propidene.
(||Prop"y*lon), n.; pl. Propyla [NL., from Gr. before + a gate.] (Anc. Arch.) The porch,
vestibule, or entrance of an edifice.
(||Pro` ra"ta) [L.] In proportion; proportionately; according to the share, interest, or liability of each.
(Pro*rat"a*ble) a. Capable of being prorated, or divided proportionately. [U.S.]
(Pro*rate") v. t. [imp. & p. p. Prorated; p. pr. & vb. n. Prorating.] [From L. pro rata (sc.
parte) according to a certain part, in proportion.] To divide or distribute proportionally; to assess pro
(Prore) n. [L. prora, Gr. : cf. It. & Sp. prora. See Prow, n.] The prow or fore part of a ship.
[Poetic] "Galleys with vermilion prores." Pope.
(Pro*rec"tor) n. [NL. See Pro- , and Rector.] An officer who presides over the academic
senate of a German university. Heyse.
(Pro*rec"tor*ate) n. The office of prorector.
(Pro*re"nal) a. [Pref. pro- + renal.] (Anat.) Pronephric.
(Pro*rep"tion) n. [L. prorepere, proreptum, to creep forth; pro + repere.] A creeping on.
(Pro*rhi"nal) a. [Pref. pro- + rhinal.] (Anat.) Situated in front of the nasal chambers.
(Pro"ro*gate) v. t. To prorogue. [R.]
(Pro`ro*ga"tion) n. [L. prorogatio: cf. F. prorogation.]
1. The act of counting in duration; prolongation. [Obs.] South.
2. The act of proroguing; the ending of the session of Parliament, and postponing of its business, by the
command of the sovereign. [Eng.]
After an adjournment all things continue as they were at the adjournment; whereas, after a prorogation,
bill introduced and nut passed are as if they had never been begun at all. Mozley & W.
(Pro*rogue") v. t. [imp. & p. p. Prorogued ; p. pr. & vb. n. Proroguing ] [F. proroger, L.
prorogare, prorogatum; pro forward + rogare to ask, to ask one for his opinion or vote, or about a law.