septuplicate

adjective
sep·​tu·​pli·​cate | \ (ˈ)sep¦t(y)üplə̇kə̇t, -lēk- sometimes -ləˌkāt\

Definition of septuplicate

 (Entry 1 of 3)

: made in seven identical copies : sevenfold

septuplicate

noun
\ "\
plural -s

Definition of septuplicate (Entry 2 of 3)

1 : a seventh thing like six others of the same kind
2 : seven copies all alike used with in typed in septuplicate

septuplicate

transitive verb
sep·​tu·​pli·​cate | \ -ləˌkāt\
-ed/-ing/-s

Definition of septuplicate (Entry 3 of 3)

: to multiply by seven : reproduce six times : septuple specifically : to make at one time an original and six carbon copies

History and Etymology for septuplicate

Adjective

Medieval Latin septuplicatus, past participle of septuplicare to multiply by seven, from Late Latin septuplus septuple, after such pairs as Latin quadruplus quadruple : quadruplicare to quadruple

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