D defs.my
Entry 2 senses Webster, 1913

duplicative

/do͞op-lĭk'-ət-ĭv/ · du·pli·ca·tive · IPA /djuːˈplɪkətɪv/
01 a. Having the quality of duplicating or doubling.
  1. 1.
    Having the quality of duplicating or doubling.
  2. 2.
    Having the quality of subdividing into two by natural growth.(Biol.)