improver

2 definitions found

improver - Collaborative International Dictionary of English v.0.48 :

  Improver \Im*prov"er\, n.
     One who, or that which, improves.
     [1913 Webster]

improver - WordNet (r) 2.1 (2005) :

  improver
      n 1: someone devoted to the promotion of human welfare and to
           social reforms [syn: humanitarian, do-gooder,
           improver]
      2: a component that is added to something to improve it; "the
         addition of a bathroom was a major improvement"; "the
         addition of cinnamon improved the flavor" [syn: addition,
         add-on, improver]