Part 605

Pro`pug*na"tion (?), n. [L. propugnatio.] Means of defense; defense. [Obs.] Shak.

Pro*pugn"er (?), n. A defender; a vindicator. "Zealous propugners." Gov. of Tongue.

Pro`pul*sa"tion (?), n. [L. propulsatio. See Propulse.] The act of driving away or repelling; a keeping at a distance. [Obs.] Bp. Hall.

Pro*pulse" (?), v. t. [L. propulsare, v. intens. from propellere to propel. See Propel.] To repel; to drive off or away. [Obs.] Cotgrave.

Pro*pul"sion (?), n. [Cf. F. propulsion. See Propel.] 1. The act driving forward or away; the act or process of propelling; as, steam propulsion.

2. An impelling act or movement.

God works in all things; all obey His first propulsion.

Whittier.

Pro*pul"sive (?), a. Tending, or having power, to propel; driving on; urging. " propulsive movement of the verse." Coleridge.

Pro*pul"so*ry (?), a. Propulsive.

Pro"pyl (?), n. [Propionic + - yl.] (Chem.) The hypothetical radical C3H7, regarded as the essential residue of propane and related compounds.

||Prop`y*lÊ"um (?), n.; pl. PropylÊa (#). [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. propylËne.] (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 rata. [U.S.]

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.]