Part 194

Locke.

Per"ish, v. t. To cause perish. [Obs.] Bacon.

Per`ish*a*bil"i*ty (?), n. Perishableness.

Per"ish*a*ble (?), a. [F. pÈrissable.] Liable to perish; subject to decay, destruction, or death; as, perishable goods; our perishable bodies.

Per"ish*a*ble*ness, n. The quality or state of being perishable; liability to decay or destruction. Locke.

Per"ish*a*bly, adv. In a perishable degree or manner.

Per"ish*ment (?), n. [Cf. OF. perissement.] The act of perishing. [R.] Udall.

||Per`i*so"ma (?), n.; pl. Perisomata (#). [NL.] (Zoˆl.) Same as ||Perisome.

Per"i*some (?), n. [Pref. peri- + -some body.] (Zoˆl.) The entire covering of an invertebrate animal, as echinoderm or cúlenterate; the integument.

Per"i*sperm (?), n. [F. pÈrisperme. See Peri-, and Sperm.] (Bot.) The albumen of a seed, especially that portion which is formed outside of the embryo sac. -- Per`i*sper"mic (#), a.

{ Per`i*spher"ic (?), Per`i*spher"ic*al (?), } a. Exactly spherical; globular.

||Per`i*spom"e*non (?), n.; pl. Perispomena (#). [NL., from Gr. &?;, ||pr. pass. p. of &?; to draw around, to circumflex; &?; around + &?; ||to draw.] (Gr. Gram.) A word which has the circumflex accent on the ||last syllable. Goodwin.

Per"i*spore (?), n. (Bot.) The outer covering of a spore.

Per"is*sad (?), a. [Gr. &?; odd, from &?; over.] (Chem.) Odd; not even; -- said of elementary substances and of radicals whose valence is not divisible by two without a remainder. Contrasted with artiad.

Per"isse (?), v. i. To perish. [Obs.] Chaucer.

Per`is*so*dac"tyl (?), n. (Zoˆl.) One of the Perissodactyla.

||Per`is*so*dac"ty*la (?), n. pl. [NL., from Gr. &?; odd (fr. &?; over) ||+ &?; finger.] (Zoˆl.) A division of ungulate mammals, including ||those that have an odd number of toes, as the horse, tapir, and ||rhinoceros; -- opposed to Artiodactyla.

Per`is*so*log"ic*al (?), a. [Cf. F. pÈrissologique.] Redundant or excessive in words. [R.]

Per`is*sol"o*gy (?), n. [L. perissologia, Gr. &?;; &?; odd, superfluous + &?; discourse.] Superfluity of words. [R.] G. Campbell.

||Per`i*stal"sis (?), n. [NL. See Peristaltic.] (Physiol.) Peristaltic ||contraction or action.

Per`i*stal"tic (?), a. [Gr. &?; clasping and compressing, fr. &?; to surround, wrap up; &?; round + &?; to place, arrange: cf. F. pÈristaltique.] (Physiol.) Applied to the peculiar wormlike wave motion of the intestines and other similar structures, produced by the successive contraction of the muscular fibers of their walls, forcing their contents onwards; as, peristaltic movement. -- Per`i*stal"tic*al*ly (#), adv.

||Per`is*te"ri*a (?), n. [NL. See Peristerion.] (Bot.) A genus of ||orchidaceous plants. See Dove plant.

||Per`is*te"ri*on (?), n. [NL., fr. Gr. &?; a dovecote, a kind of ||verbena, fr. &?; a dove, pigeon; cf. L. peristereon.] (Bot.) The herb ||vervain (Verbena officinalis).

Pe*ris"ter*ite (?), n. [Gr. &?; a pigeon.] (Min.) A variety of albite, whitish and slightly iridescent like a pigeon's neck.

Pe*ris`ter*o*mor"phous (?), a. [Gr. &?; a pigeon + -morphous.] (Zoˆl.) Like or pertaining to the pigeons or ColumbÊ.

Pe*ris`ter*op"o*dous (?), a. [Gr. &?; a pigeon + &?;, &?;, foot.] (Zoˆl.) Having pigeonlike feet; -- said of those gallinaceous birds that rest on all four toes, as the curassows and megapods.

Pe*ris"to*le (?), n. [NL.: cf. F. pÈristole. See Peristaltic.] (Physiol.) Peristaltic action, especially of the intestines.

||Pe*ris"to*ma (?), n.; pl. Peristomata (#). [NL.] Same as Peristome.