chromosomal aberration is a noun meaning "any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities". It carries one recorded sense.
any change in the normal structure or number of chromosomes; often results in physical or mental abnormalities
Definitions, synonyms and semantic relations for chromosomal aberration come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.