Webster's Revised Unabridged Dictionary · 1913

Triplicate

Triplicate , adjective

[Latin triplicatus, past participle of triplicare to triple, treble; tri- (see Tri-) + plicare to fold. See Ply, transitive verb]

Made thrice as much; threefold; tripled.
Collocations (1)
Triplicate ratio (Mathematics) , the ratio of the cubes of two quantities; thus, the triplicate ratio of a to b is a3: b3.

Triplicate , noun

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