Improver

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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

From WordNet (r) 2.0 [wn]:



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