2. The barrel of a wooden pump.
(Pent) p. p. or a. [From Pen, v. t.] Penned or shut up; confined; often with up.
Here in the body pent.J. Montgomery.
No pent-up Utica contracts your powers.J. M. Sewall.
(Pen"ta-) [Gr. a later combining form of five. See Five.]
1. A combining form denoting five; as, pentacapsular; pentagon.
2. (Chem.) Denoting the degree of five, either as regards quality, property, or composition; as, pentasulphide;
pentoxide, etc. Also used adjectively.
(Pen`ta*ba"sic) a. [Penta- + basic.] (Chem.) Capable of uniting with five molecules of
a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; said of
(Pen`ta*cap"su*lar) a. [Penta- + capsular.] (Bot.) Having five capsules.
(Pen`ta*che"ni*um) n. [NL. See Penta-, and Achenium.] (Bot.) A dry fruit composed
of five carpels, which are covered by an epigynous calyx and separate at maturity.
(Pen`ta*chlo"ride) n. [Penta- + chloride.] (Chem.) A chloride having five atoms of chlorine
in each molecule.
(Pen"ta*chord) n. [L. pentachordus five-stringed, Gr. five + string.]
1. An ancient instrument of music with five strings.
2. An order or system of five sounds. Busby.
(Pen*tac"id) a. [Penta- + acid.] (Chem.) Capable of neutralizing, or combining with, five
molecules of a monobasic acid; having five hydrogen atoms capable of substitution by acid residues;
said of certain complex bases.
(Pen"ta*cle) n. A figure composed of two equilateral triangles intersecting so as to form a six-
pointed star, used in early ornamental art, and also with superstitious import by the astrologers and
mystics of the Middle Ages.
(Pen`ta*coc"cous) a. [See Penta- , Coccus.] (Bot.) Composed of five united carpels
with one seed in each, as certain fruits.
(Pen"ta*con`ter) n. (Gr. Antiq.) See Penteconter.
(Pen*tac"ri*nin) n. (Physiol. Chem.) A red and purple pigment found in certain crinoids of
the genus Pentacrinus.
(Pen*tac"ri*nite) n. [Penta- + Gr. a lily.] (Zoöl.) Any species of Pentacrinus.
(Pen*tac"ri*noid) n. [Pentacrinus + -oid.] (Zoöl.) An immature comatula when it is still
attached by a stem, and thus resembles a Pentacrinus.
(||Pen*tac"ri*nus) n. [NL. See Penta-, and Crinum.] (Zoöl.) A genus of large, stalked
crinoids, of which several species occur in deep water among the West Indies and elsewhere.