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 certain acids.

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.

The Gutenberg Webster's Unabridged Dictionary: Section P and Q · 第 485 / 2103 题