Perturbational
(Per`tur*ba"tion*al) a. Of or pertaining to perturbation, esp. to the perturbations of the
planets. "The perturbational theory." Sir J. Herschel.
Perturbative
(Per"tur*ba*tive) a. Tending to cause perturbation; disturbing. Sir J. Herschel.
Perturbator
(Per"tur*ba`tor) n. A perturber. [R.]
Perturbed
(Per*turbed") a. Agitated; disturbed; troubled. Shak. Per*turb"ed*ly, adv.
Perturber
(Per*turb"er) n. One who, or that which, perturbs, or cause perturbation.
Pertusate
(Per*tus"ate) a. [See Pertuse.] (Bot.) Pierced at the apex.
Pertuse
(Per*tuse" Per*tused") , a. [L. pertusus, p. p. of pertundere to beat or thrust through, to bore
through; per + tundere to beat: cf. F. pertus. Cf. Pierce.] Punched; pierced with, or having, holes.
Pertusion
(Per*tu"sion) n. [L. pertusio.] The act of punching or piercing with a pointed instrument; as,
pertusion of a vein. [R.] Arbuthnot.
2. A punched hole; a perforation. Bacon.
Pertussis
(||Per*tus"sis) n. [NL., fr. L. per through, very + tussis cough.] (Med.) The whooping cough.
Peruke
(Per"uke) n. [F. perruque, It. perrucca, parrucca, fr. L. pilus hair. Cf. Periwig, Wig, Peel to
strip off, Plush, Pile a hair.] A wig; a periwig.
Peruke
(Per"uke), v. t. To dress with a peruke. [R.]
Perula
(||Per"u*la) n.; pl. Perulæ [L., dim. of pera wallet, Gr. : cf. F. pérule.]
1. (Bot.) One of the scales of a leaf bud.
2. (Bot.) A pouchlike portion of the perianth in certain orchides.
Perule
(Per"ule) n. Same as Perula.
Perusal
(Pe*rus"al) n. [From Peruse.]
1. The act of carefully viewing or examining. [R.] Tatler.
2. The act of reading, especially of reading through or with care. Woodward.
Peruse
(Pe*ruse") v. t. [imp. & p. p. Perused ; p. pr. & vb. n. Perusing.] [Pref. per- + use.]
1. To observe; to examine with care. [R.]
Myself I then perused, and limb by limb
Surveyed.
Milton. 2. To read through; to read carefully. Shak.
Peruser
(Pe*rus"er) n. One who peruses.
Peruvian
(Pe*ru"vi*an) a. [Cf. F. péruvien, Sp. peruviano.] Of or pertaining to Peru, in South America.
n. A native or an inhabitant of Peru.
Peruvian balsam. See Balsam of Peru, under Balsam. Peruvian bark, the bitter bark of trees
of various species of Cinchona. It acts as a powerful tonic, and is a remedy for malarial diseases. This