[noun, adjective sep-too-pli-kit, -tyoo-; verb sep-too-pli-keyt, -tyoo-]
a group, series, or set of seven identical copies (usually preceded by in).
having or consisting of seven identical parts; sevenfold.
noting the seventh copy or item.
verb (used with object), sep·tu·pli·cat·ed, sep·tu·pli·cat·ing.
to make seven copies of.
to make seven times as great, as by multiplying.
Origin of septuplicate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a group or set of seven things
having or being in seven parts; sevenfold
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012