n.
Pronunciation: ' myü-t ə -j ə n
Function: noun
Etymology: International Scientific Vocabulary muta tion + -gen
Date: 1933
: an agent (as a chemical or various radiations) that tends to increase the frequency or extent of mutation
– mu · ta · gen · ic \ ˌ myü-t ə - ' je-nik \ adjective
– mu · ta · gen · i · cal · ly \ -ni-k( ə -)l ē \ adverb