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Havingthree principal operative parts or motions, so as to produce a three-fold effect.

Made thrice as much; threefold; tripled. Triplicate ratio (Math.), the ratio of the cubes of two quantities; thus, the triplicate ratio of a to b is a3: b3.

Triternate.

The act of tripling, or making threefold, or adding three together. Glanvill.

The quality or state of being triple, or threefold; trebleness. In their trinal triplicities on high. Spenser.

Three-ribbed.

A mineral of a dark brown color, generally with a fibrous, massive structure. It is a fluophosphate of iron and manganese.

Of, pertaining to, or designating, that condition of the ovum in which there are three primary germinal layers, or in which the blastoderm splits into three layers.

A manganese phosphate near triplite, but containing hydroxyl instead of fluorine.

In a triple manner.

Same as Prickmadam.

ted at top, for supporting a theodolite, compass, telescope, camera, or other instrument. Tripod of life, or Vital tripod (Physiol.), the three organs, the heart, lungs, and brain; -- so called because their united action is necessary to the maintenance of life.

An ancient stringed instrument; -- so called because, in form, it resembled the Delphic tripod.

Three metrical feet taken together, or included in one measure.

An earthy substance originally brought from Tripoli, used in polishing stones and metals. It consists almost wholly of the siliceous shells of diatoms.

Of or pertaining to Tripoli or its inhabitants; Tripolitan.

Of or pertaining to Tripoli or its inhabitants; Tripoline. -- n.

A tripod. [Obs.] Dryden.

See Tripping, a., 2.

One who trips or supplants; also, one who walks or trips nimbly; a dancer.