Triple valve
Triple Tri"ple, a. [L. triplus; tri- (see {Tri-}) + -plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster]

By thy triple shape as thou art seen. --Dryden. [1913 Webster]

2. Three times repeated; treble. See {Treble}. [1913 Webster]

3. One of three; third. [Obs.] --Shak. [1913 Webster]

{Triple crown}, the crown, or tiara, of the pope. See {Tiara}, 2.

{Triple-expansion steam engine}, a compound steam engine in which the same steam performs work in three cylinders successively.

{Triple measure} (Mus.), a measure of tree beats of which first only is accented.

{Triple ratio} (Math.), a ratio which is equal to 3.

{Triple salt} (Chem.), a salt containing three distinct basic atoms as radicals; thus, microcosmic salt is a triple salt.

{Triple star} (Astron.), a system of three stars in close proximity.

{Triple time} (Mus.), that time in which each measure is divided into three equal parts.

{Triple valve}, in an automatic air brake for railroad cars, the valve under each car, by means of which the brake is controlled by a change of pressure in the air pipe leading from the locomotive. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • triple valve — noun : the automatic valve under a railroad car that controls the automatic air brake by regulating by three openings the intake, exhaust, and equalization of compressed air in the brake piston …   Useful english dictionary

  • Triple — Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy triple… …   The Collaborative International Dictionary of English

  • Triple crown — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple measure — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple ratio — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple salt — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple star — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple time — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • Triple-expansion steam engine — Triple Tri ple, a. [L. triplus; tri (see {Tri }) + plus, as in duplus double: cf. F. triple. See {Double}, and cf. {Treble}.] 1. Consisting of three united; multiplied by three; threefold; as, a triple knot; a triple tie. [1913 Webster] By thy… …   The Collaborative International Dictionary of English

  • valve hole — The hole in the rim of a wheel for mounting tubeless tires. Tubeless car tires commonly have a snap in valve consisting of a rubber molding bonded to the metal stem casing. The rubber molding has a groove formed at the base; when the valve is… …   Dictionary of automotive terms

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