triplicate

noun

One of a set of three identical objects or copies.

transitive verb

To make threefold; triple.

transitive verb

To make three identical copies of.

Triple; threefold; consisting of or related to a triad, or three corresponding parts; composed of three similars: as, a triplicate certificate.

noun

One of three things corresponding in every respect to one another.

To treble; repeat a second time; make threefold; produce a third corresponding to a first and second.

noun

A third thing corresponding to two others of the same kind.

adjective

Made thrice as much; threefold; tripled.

adjective

the ratio of the cubes of two quantities; thus, the triplicate ratio of a to b is a3: b3.

noun

Each of a set of three identical objects or copies.