triplicate

nouns

one of three copies; any of three things that correspond to one another exactly

triplicate

is derived from

is a type of (narrower)

a thing made to be similar or identical to another thing

"she made a copy of the designer dress"; "the clone was a copy of its ancestor"

reproduce threefold

"triplicate the letter for the committee"

triplicate

is a type of (narrower)

make a copy or equivalent of

"reproduce the painting"