in quadruplicate Definition

quadruplicate
adj

1. Having four parts which are exactly alike.
2. Being one of four identical copies.
3. Quadrupled.

noun

1. Any of four identical copies or four parts which are exactly alike.

verb

quadruplicated, quadruplicating
1. To make something quadruple or fourfold.

Derivative: quadruplication
noun

Idiom: in quadruplicate

Copied four times.

Etymology: 17c: from Latin quadruplicare, quadruplicatum to multiply by four.