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DictionarytriplicateThree identical copies
noun / adjective / verb

triplicate

TRIP-lih-kut/ˈtrɪplɪkət/

A set of three identical copies, or making such a set.

The picture appears in triplicate, with one print pulled forward.

Three identical picture prints lie side by side, with one slightly pulled forward to single it out as one copy within the matching set of three.
Etymology
triLatinthree
+plicateLatinto fold

The pieces express “threefold,” with folding supplying the image of multiplication. A triplicate is one member of a threefold set of matching copies.

In context

Site-4219:54
submit a form in triplicate
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More examples

  • Our office keeps every signed contract in triplicate.
  • She triplicates the form so each department gets a copy.
  • The printer produces triplicate receipts for each sale.

Forms

triplicate · triplicates · triplicated · triplicating

triplication noun — The act of making three copies.

Similar words

duplicate
Usually involves two matching copies, not specifically three.
copy
Refers to a reproduction without specifying how many exist.