¦nän sometimes ¦nən ˌ adjective
1. : not situated on a chromosome
nonchromosomal DNA
2. : not involving chromosomes
nonchromosomal mutations
¦nän sometimes ¦nən ˌ adjective
1. : not situated on a chromosome
nonchromosomal DNA
2. : not involving chromosomes
nonchromosomal mutations
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012