Webster's Dictionary 1913

2836

Peristalsis

‖Per′i‐stal″sis (?), n. [NL. See Peristaltic.] (Physiol.) Peristaltic contraction or action.

2837

Peristaltic

Per′i‐stal″tic (?), a. [Gr. � clasping and compressing, fr. � to surround, wrap up; � round + � to place, arrange: cf. F. péristaltique.] (Physiol.) Applied to the peculiar worm...

2838

Peristeria

‖Per′is‐te″ri‐a (?), n. [NL. See Peristerion.] (Bot.) A genus of orchidaceous plants. See Dove plant.

2839

Peristerion

‖Per′is‐te″ri‐on (?), n. [NL., fr. Gr. � a dovecote, a kind of verbena, fr. περιστερά a dove, pigeon; cf. L. peristereon.] (Bot.) The herb vervain (Verbena officinalis).

2840

Peristerite

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

2841

Peristeromorphous

Pe‐ris′ter‐o‐mor″phous (?), a. [Gr. περιστερά a pigeon + -morphous.] (Zoöl.) Like or pertaining to the pigeons or Columbæ.

2842

Peristeropodous

Pe‐ris′ter‐op″o‐dous (?), a. [Gr. περιστερά a pigeon + πούσ, ποδόσ, foot.] (Zoöl.) Having pigeonlike feet; — said of those gallinaceous birds that rest on all four toes, as the ...

2843

Peristole

Pe‐ris″to‐le (pē̍‐rĭs″tō̍‐lē̍), n. [NL.: cf. F. péristole. See Peristaltic.] (Physiol.) Peristaltic action, especially of the intestines.

2844

Peristoma

‖Pe‐ris″to‐ma (pē̍‐rĭs″tō̍‐mȧ), n.; pl.Peristomata (pĕr′ĭ‐stŏm″ȧ‐tȧ). Same as Peristome.

2845

Peristome

Per″i‐stome (pē̍r″ĭ‐stōm), n. [Pref. peri- + Gr. στόμα, -ατοσ, mouth.] 1. (Bot.) The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or...

2846

Peristomial

Per′i‐sto″mi‐al (?), a.(Zoöl.) Of or pertaining to a peristome.

2847

Peristomium

‖Per′i‐sto″mi‐um (?), n. Same as Peristome.

2848

Peristrephic

Per′i‐streph″ic (?), a. Turning around; rotatory; revolving; as, a peristrephic painting (of a panorama).

2849

Peristyle

Per″i‐style (?), n. [L. peristylum, Gr. περίστυλον, περίστυλοσ; περί about + στυ̑λοσ a column: cf. F. péristyle.] (Arch.) A range of columns with their entablature, etc.; specif...

2850

Perisystole

Per′i‐sys″to‐le (?), n. [Pref. peri- + systole: cf. F. périsystole.] (Physiol.) The interval between the diastole and systole of the heart. It is perceptible only in the dying.

2851

Perite

Pe‐rite″ (?), a. [L. peritus.] Skilled.

2852

Perithecium

‖Per′i‐the″ci‐um (?), n.(Bot.) An organ in certain fungi and lichens, surrounding and enveloping the masses of fructification. Henslow.

2853

Peritomous

Pe‐rit″o‐mous (?), a. [Gr. � cut off all around. See Peri-, and Tome.] (Min.) Cleaving in more directions than one, parallel to the axis.

2854

Peritonæum

Per′i‐to‐næ″um (?), n.(Anat.) Same as Peritoneum.

2855

Peritoneal

Per′i‐to‐ne″al (?), a. [Cf. F. péritonéal.] (Anat.) Of or pertaining to the peritoneum.

2856

Peritoneum

Per′i‐to‐ne″um (?), n. [L. peritoneum, peritonaeum, Gr. �, �, fr. � to stretch all around or over; � around + � to stretch.] (Anat.) The smooth serous membrane which lines the c...

2857

Peritonitis

‖Per′i‐to‐ni″tis (?), n. [NL. See Peritoneum, and -itis.] (Med.) Inflammation of the peritoneum.

2858

Peritracheal

Per′i‐tra″che‐al (?), a.(Zoöl.) Surrounding the tracheæ.

2859

Peritreme

Per″i‐treme (?), n. [Pref. peri- + Gr. � a hole.] (Zoöl.) (a) That part of the integument of an insect which surrounds the spiracles. (b) The edge of the aperture of a univalve ...

2860

Peritricha

‖Pe‐rit″ri‐cha (?), n. pl.(Zoöl.) A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticell...

2861

Peritrochium

‖Per′i‐tro″chi‐um (?), n.(Mech.) The wheel which, together with the axle, forms the axis in peritrochio, which see under Axis.

2862

Peritropal

Per‐it″ro‐pal (?), a. [Gr. �, fr. � to turn around; � around + � to turn: cf. F. péritrope.] 1. Rotatory; circuitous.2. Having the axis of the seed perpendicular to the axis of ...