2. (Geom.) The circumference of a circle, ellipse, or other figure.

Per"i*phrase (?), n. [L. periphrasis, Gr. &?;, fr. &?; to think about,

to be expressed periphrastically; &?; + &?; to speak: cf. F.

pÈriphrase. See Phrase.] (Rhet.) The use of more words than are

necessary to express the idea; a roundabout, or indirect, way of

speaking; circumlocution. "To describe by enigmatic periphrases." De

Quincey.

Per"i*phrase, v. t. [imp. & p. p. Periphrased (?); p. pr. & vb. n.

Periphrasing.] [Cf. F. pÈriphraser.] To express by periphrase or

circumlocution.

Per"i*phrase, v. i. To use circumlocution.

||Pe*riph"ra*sis (?), n.; pl. Periphrases (#). [L.] See Periphrase.

{ Per`i*phras"tic (?), Per`i*phras"tic*al (?), } a. [Gr. &?;: cf. F.

pÈriphrastique.] Expressing, or expressed, in more words than are

necessary; characterized by periphrase; circumlocutory.

Periphrastic conjugation (Gram.), a conjugation formed by the use of

the simple verb with one or more auxiliaries.

Per`i*phras"tic*al*ly, adv. With circumlocution.

Per"i*plast (?), n. [Pref. peri- + Gr. &?; to mold, form.] (Biol.) Same

as Periblast. -- Per`i*plas"tic (#), a. Huxley.

{ ||Per`ip*neu*mo"ni*a (?), Per`ip*neu"mo*ny (?), } n. [L.

peripneumonia, Gr. &?;: cf. F. pÈripneumonie. See Peri-, Pneumonia.]

(Med.) Pneumonia. (Obsoles.)

Per`ip*neu*mon"ic (?), a. [L. peripneumonicus, Gr. &?;: cf. F.

pÈripneumonique.] (Med.) Of or pertaining to peripneumonia.

Per"i*proct (?), n. [Pref. peri- + Gr. &?; the anus.] (Zoˆl.) The

region surrounding the anus, particularly of echinoderms.

||Per`i*proc*ti"tis (?), n. [NL. See Peri-, and Proctitus.] (Med.)

||Inflammation of the tissues about the rectum.

Pe*rip"ter*al (?), a. [Gr., fr. &?; + &?; feather, wing, row of

columns.] (Arch.) Having columns on all sides; -- said of an edifice.

See Apteral.

Pe*rip"ter*ous (?), a. 1. (Arch.) Peripteral.

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