Search Result for "mutagenesis": 
Wordnet 3.0

NOUN (1)

1. an event capable of causing a mutation; 



The Collaborative International Dictionary of English v.0.48:

mutagenesis \mu`ta*gen"e*sis\ (m[=u]`t[.a]*j[e^]n"[-e]*s[i^]s),
   n.
   the causing of a mutation or the occurrence of a mutation[3].
   [PJC]


WordNet (r) 3.0 (2006):

mutagenesis
    n 1: an event capable of causing a mutation