Perspire, per-spīr′, v.i. and v.t. to emit or to be emitted, as moisture, through the pores of the skin: to sweat.—n. Perspirabil′ity.—adj. Perspīr′able, capable of being perspired.—v.i. Per′spirāte (rare), to sweat.—n. Perspirā′tion, act of perspiring: that which is perspired: moisture given out through the pores of the skin: sweat.—adj. Perspīr′atory, pertaining to or causing perspiration. [L. perspirāre, -ātumper, through, spirāre, to breathe.]

Perstringe, pėr-strinj′, v.t. to criticise.

Persuade, per-swād′, v.t. to influence successfully by argument, advice, &c.: to bring to any particular opinion: to cause to believe: to convince.—adj. Persuad′able.—n. Persuad′er.—adj. Persuā′sible, capable of being persuaded.—ns. Persuā′sibleness, Persuasibil′ity; Persuā′sion, act of persuading: state of being persuaded: settled opinion: a creed: a party adhering to a creed: (Spens.) an inducement.—adjs. Persuā′sive, Persuā′sory, having the power to persuade: influencing the mind or passions.—n. that which persuades or wins over.—adv. Persuā′sively.—n. Persuā′siveness. [Fr.,—L. persuadēre, -suasumper, thoroughly, suadēre, to advise.]

Persue, pėrs′ū, n. (Spens.) a track.

Persulphate, pėr-sul′fāt, n. that sulphate of a metal which contains the relatively greater quantity of acid.

Pert, pėrt, adj. (obs.) open: evident: plain. [O. Fr. apert—L. aperīre, apertum, to open.]

Pert, pėrt, adj. forward: saucy: impertinent: too free in speech: (obs.) clever.—n. an impudent person.—adv. Pert′ly.—n. Pert′ness. [Perk.]

Pertain, per-tān′, v.i. to belong: to relate (with to).—ns. Per′tinence, Per′tinency, state of being pertinent or to the point: fitness for the matter on hand: suitableness: appositeness.—adj. Per′tinent, pertaining or related to a subject: being to the point: fitted for the matter on hand: fitting or appropriate: suitable: apposite.—adv. Per′tinently.—n. Per′tinentness. [O. Fr. partenir—L. pertinēreper, thoroughly, tenēre, to hold.]

Pertinacious, pėr-ti-nā′shus, adj. thoroughly tenacious: holding obstinately to an opinion or a purpose: obstinate: unyielding.—adv. Pertinā′ciously.—ns. Pertinā′ciousness; Pertinac′ity, quality of being pertinacious or unyielding: obstinacy: resoluteness. [Fr.,—L. pertinax, -acis, holding fast—per, thoroughly, tenax, tenacious—tenēre, to hold.]

Perturb, per-turb′, v.t. to disturb greatly: to agitate—also Per′turbate.—adj. Pertur′bable, that can be agitated or confused.—ns. Pertur′bance, Perturbā′tion, act of perturbing or state of being perturbed: disquiet of mind: irregular action, esp. (astron.) the disturbance produced in the simple elliptic motion of one heavenly body about another by the action of a third body, or by the non-sphericity of the principal body; Pertur′bant, any disturbing thing.—adjs. Perturbā′tional; Pertur′bative.—n. Pertur′batory, the power of deflecting the divining-rod by magnetic influence.—p.adj. Perturbed′.—adv. Perturb′edly.—ns. Pertur′ber, Perturbā′tor:—fem. Per′turbātrix. [Fr.,—L. perturbāre, -ātumper, thoroughly, turbāre, to disturb—turba, a crowd.]