Word Study
mutagen
WORDNET DICTIONARY
Noun mutagen has 1 sense
CIDE DICTIONARY
mutagen, n.
A chemical compound or other external influence (such as ionizing radiation) which causes mutations{3}. [PJC]
OXFORD DICTIONARY
mutagen, n. an agent promoting mutation, e.g. radiation.
Derivative
mutagenic adj. mutagenesis n.
Etymology
MUTATION + -GEN
For further exploring for "mutagen" in Webster Dictionary Online