Protoxide, prō-tok′sīd, n. the first oxide—that is, an oxide containing one equivalent of oxygen combined with one equivalent of a base.
Protozoa, prō-tō-zō′ä, n.pl. the first or lowest class of animals:—sing. Protozō′on.—adjs. Protozō′an; Protozō′ic, pertaining to the protozoa: containing remains of the earliest life of the globe. [Gr. prōtos, first, zōon, an animal.]
Protract, prō-trakt′, v.t. to draw out or lengthen in time: to prolong: to put off in time: to draw to a scale.—p.adj. Protrac′ted, drawn out in time: tedious: prolonged: postponed.—adv. Protrac′tedly.—n. Protrac′ter.—adj. Protrac′tile, susceptible of being thrust out.—n. Protrac′tion, act of protracting or prolonging: the delaying of the termination of a thing: the plotting or laying down of the dimensions of anything on paper.—adj. Protrac′tive, drawing out in time: prolonging: delaying.—n. Protrac′tor, one who, or that which, protracts: a mathematical instrument for laying down angles on paper, used in surveying, &c. [L.,—pro, forth, trahĕre, to draw.]
Protrude, prō-trōōd′, v.t. to thrust or push forward: to drive along: to put out.—v.i. to be thrust forward or beyond the usual limit.—adjs. Protrud′able, Protru′sile, protractile; Protru′sible, able to be protruded.—n. Protru′sion, the act of thrusting forward or beyond the usual limit: the state of being protruded: that which protrudes.—adj. Protru′sive, thrusting or impelling forward: protruding.—adv. Protru′sively.—n. Protru′siveness. [L. protrudĕre—pro, forward, trudĕre, to thrust.]
Protuberance, prō-tūb′ėr-ans, n. a prominence: a tumour.—adj. Protū′berant, swelling: prominent.—adv. Protū′berantly.—v.i. Protū′berāte, to bulge out.—n. Protūberā′tion. [L. protuberāre, -ātum—pro, forward, tuber, a swelling.]
Proud, prowd (comp. Proud′er; superl. Proud′est), adj. having excessive self-esteem: arrogant: haughty: having a proper sense of what is becoming: daring: grand: ostentatious: giving reason for pride or boasting.—n. Proud′-flesh, a growth or excrescence of flesh in a wound.—adjs. Proud′-heart′ed (Shak.), having a proud spirit; Proud′ish, somewhat proud.—adv. Proud′ly.—adj. Proud′-mind′ed (Shak.), proud in mind.—n. Proud′ness, the state or quality of being proud: pride.—adjs. Proud′-pied (Shak.), gorgeously variegated; Proud′-stom′ached, of haughty spirit, arrogant. [A.S. prut, proud, prýte, pride.]
Provable, prōōv′a-bl, adj. that may be proved.—n. Prov′ableness.—adv. Prov′ably, in a manner capable of proof. [O. Fr. provable, prouvable—L. probabilis, probable.]
Provand, prov′and, n. (Shak.) provender: provision—also Prov′end.—adj. Prov′ant, belonging to a regular allowance: of common or inferior quality. [O. Fr.,—Low L. præbenda, a payment, pittance.]
Prove, prōōv, v.t. to try by experiment or by a test or standard: to make certain: to try by suffering: to establish or ascertain as truth by argument or other evidence: to demonstrate: to ascertain the genuineness of: to experience or suffer: (math.) to ascertain the correctness of any result.—v.i. to make trial: to turn out: to be shown afterwards.—n. Prov′er.—The exception proves the rule, the exception tests the rule, proving its general truth. [O. Fr. prover (Fr. prouver), which, like A.S. prófian and Ger. proben, is from L. probāre—probus, excellent.]
Provection, prō-vek′shun, n. the transfer of the final consonant from a word to the beginning of the next.—n. Prōvec′tor (math.), a contravariant operator formed by substituting signs of partial differentiation for the facients of a quantic. [L. provehĕre, provectum, to carry forward.]