Part 214

Per"ti*na*cy (?), n. [L. pertinere to pertain. See Pertinence.] The quality or state of being pertinent; pertinence. [Obs.]

Per"ti*na*cy, n. [L. pertinacia, fr. pertinax. See Pertinacious.] Pertinacity. [Obs.] Chaucer.

Per"ti*nate (?), a. Pertinacious. [Obs.]

Per"ti*nate*ly, adv. Pertinaciously. [Obs.]

{ Per"ti*nence (?), Per"ti*nen*cy (?), } n. [Cf. F. pertinence. See Pertinent.] The quality or state of being pertinent; justness of relation to the subject or matter in hand; fitness; appositeness; relevancy; suitableness.

The fitness and pertinency of the apostle's discourse.

Bentley.

Per"ti*nent (?), a. [L. pertinens, -entis, p. pr. of pertinere: cf. F. pertinent. See Pertain.] 1. Belonging or related to the subject or matter in hand; fit or appropriate in any way; adapted to the end proposed; apposite; material; relevant; as, pertinent illustrations or arguments; pertinent evidence.

2. Regarding; concerning; belonging; pertaining. [R.] "Pertinent unto faith." Hooker.

Syn. -- Apposite; relevant; suitable; appropriate; fit.

-- Per"ti*nent*ly, adv. -- Per"ti*nent*ness, n.

Pert"ly (?), adv. In a pert manner.

Pert"ness, n. The quality or state of being pert.

Per*tran"sient (?), a. [L. pertransiens, p. pr. of pertransire.] Passing through or over. [R.]

Per*turb" (?), v. t. [L. perturbare, perturbatum; per + turbare to disturb, fr. turba a disorder: cf. OF. perturber. See Per-, and Turbid.] 1. To disturb; to agitate; to vex; to trouble; to disquiet.

Ye that . . . perturb so my feast with crying.

Chaucer.

2. To disorder; to confuse. [R.] Sir T. Browne.

Per*turb`a*bil"i*ty (?), n. The quality or state of being perturbable.

Per*turb"a*ble (?), a. Liable to be perturbed or agitated; liable to be disturbed or disquieted.

Per*turb"ance (?), n. Disturbance; perturbation. [R.] "Perturbance of the mind." Sharp.

Per"tur*bate (?), v. t. [From L. perturbatus, p. p.] To perturb. [Obs.] Dr. H. More.

Per"tur*bate (?), a. Perturbed; agitated. [R.]

Per`tur*ba"tion (?), n. [L. perturbatio: cf. F. perturbation.] 1. The act of perturbing, or the state of being perturbed; esp., agitation of mind.

2. (Astron.) A disturbance in the regular elliptic or other motion of a heavenly body, produced by some force additional to that which causes its regular motion; as, the perturbations of the planets are caused by their attraction on each other. Newcomb.

Per`tur*ba"tion*al (?), a. Of or pertaining to perturbation, esp. to the perturbations of the planets. "The perturbational theory." Sir J. Herschel.

Per"tur*ba*tive (?), a. Tending to cause perturbation; disturbing. Sir J. Herschel.

Per"tur*ba`tor (?), n. A perturber. [R.]