Priming of the tide. See Lag of the tide, under 2d Lag.Priming tube, a small pipe, filled with a combustible composition for firing cannon.Priming valve(Steam Eng.), a spring safety valve applied to the cylinder of a steam engine for discharging water carried into the cylinder by priming. Priming wire, a pointed wire used to penetrate the vent of a piece, for piercing the cartridge before priming.

(||Pri*mip"a*ra) n. [L., fr. primus first + parere to bring forth.] (Med.) A woman who bears a child for the first time.

(Prim"er*ole) n. (Bot.) See Primrose. [Obs.] "She was a primerole." Chaucer.

(Pri*me"val) a. [L. primaevus; primus first + aevum age. See Prime, a., and Age.] Belonging to the first ages; pristine; original; primitive; primary; as, the primeval innocence of man. "This is the forest primeval." Longfellow.

From chaos, and primeval darkness, came Light.

(Pri*me"val*ly), adv. In a primeval manner; in or from the earliest times; originally. Darwin.

(Pri*me"vous), a. Primeval. [Obs.]

(Pri`mi*ge"ni*al) a. First born, or first of all; original; primary. See Primogenial.

(Pri`mi*ge"ni*ous Pri*mig"e*nous) a. [L. primigenus, primigenius. See Primogeniture.] First formed or generated; original; primigenial. Bp. Hall.

(Pri"mine) n. [L. primus first: cf. F. primine.] (Bot.) The outermost of the two integuments of an ovule.

This word has been used by some writers to denote the inner integument, which is formed earlier than the outer. Cf. Secundine.

(Prim"ing) n.

1. The powder or other combustible used to communicate fire to a charge of gunpowder, as in a firearm.

2. (Paint.) The first coating of color, size, or the like, laid on canvas, or on a building, or other surface.

3. (Steam Eng.) The carrying over of water, with the steam, from the boiler, as into the cylinder.

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