Persulphocyanogen
(Per*sul`pho*cy*an"o*gen) n. (Chem.) An orange-yellow substance, produced by
the action of chlorine or boiling dilute nitric acid and sulphocyanate of potassium; — called also pseudosulphocyanogen,
perthiocyanogen, and formerly sulphocyanogen.
Persulphuret
(Per*sul"phu*ret) n. (Chem.) A persulphide. [Obs.]
Pert
(Pert) a. [An aphetic form of OE. & OF. apert open, known, true, free, or impudent. See Apert.]
1. Open; evident; apert. [Obs.] Piers Plowman.
2. Lively; brisk; sprightly; smart. [Obs.] Shak.
3. Indecorously free, or presuming; saucy; bold; impertinent. "A very pert manner." Addison.
The squirrel, flippant, pert, and full of play.
Cowper. Pert
(Pert), v. i. To behave with pertness. [Obs.] Gauden.
Pertain
(Per*tain") v. i. [imp. & p. p. Pertained ; p. pr. & vb. n. Pertaining.] [OE. partenen, OF.
partenir, fr. L. pertinere to stretch out, reach, pertain; per + tenere to hold, keep. See Per-, and Tenable,
and cf. Appertain, Pertinent.]
1. To belong; to have connection with, or dependence on, something, as an appurtenance, attribute,
etc.; to appertain; as, saltness pertains to the ocean; flowers pertain to plant life.
Men hate those who affect that honor by ambition which pertaineth not to them.
Hayward. 2. To have relation or reference to something.
These words pertain unto us at this time as they pertained to them at their time.
Latimer. Perterebration
(Per*ter`e*bra"tion) n. [L. perterebratus, p. p. of perterebrare to bore through.] The
act of boring through. [Obs.] Ainsworth.
Perthiocyanogen
(Per*thi`o*cy*an"o*gen) n. (Chem.) Same as Persulphocyanogen.
Perthite
(Perth"ite) n. [So called from Perth, in canada.] (Min.) A kind of feldspar consisting of a laminated
intertexture of albite and orthoclase, usually of different colors. — Per*thit"ic a.
Pertinacious
(Per`ti*na"cious) a.[L. pertinax, -acis; per + tenax tenacious. See Per-, and Tenacious.]
1. Holding or adhering to any opinion, purpose, or design, with obstinacy; perversely persistent; obstinate; as,
pertinacious plotters; a pertinacious beggar.
2. Resolute; persevering; constant; steady.
Diligence is a steady, constant, and pertinacious study.
South. Syn. — Obstinate; stubborn; inflexible; unyielding; resolute; determined; firm; constant; steady.
— Per`ti*na"cious*ly, adv. — Per`ti*na"cious*ness, n.
Pertinacity
(Per`ti*nac"i*ty) n. [Cf. F. pertinacité.] The quality or state of being pertinacious; obstinacy; perseverance; persistency.
Macaulay.
Syn. — See Obstinacy.
