Mutagen

2 definitions found

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

  mutagen \mu"ta*gen\ (m[=u]"t[.a]*j[e^]n), n.
     A chemical compound or other external influence (such as
     ionizing radiation) which causes mutations[3].
     [PJC]

From WordNet (r) 2.0 [wn]:



  mutagen
       n : any agent (physical or environmental) that can induce a
           genetic mutation or can increase the rate of mutation