外博词典,懂英语单词快速记忆法的在线英语词典

quadruplicate (adj.)

"fourfold, four times repeated," 1650s, from Latin quadruplicatus, past participle of quadruplicare "make fourfold," from quadri- "four" (from PIE root *kwetwer- "four") + plicare "to fold" (from PIE root *plek- "to plait").

quadruplicate (v.)

"to make fourfold, double twice," 1660s, from Latin quadruplicatus, past participle of quadruplicare "make fourfold," from quadri- "four" (from PIE root *kwetwer- "four") + plicare "to fold" (see ply (v.1)).  The sense of "make or provide in four identical versions" is by 1879. Related: Quadruplicated; quadruplicating.

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