nonchromosomal

adjective

non·​chro·​mo·​som·​al ˌnän-ˌkrō-mə-ˈsō-məl 

1

: not situated on a chromosome

2

: not involving chromosomes

Word History

First Known Use

1911, in the meaning defined at sense 2

Medical Definition

nonchromosomal

adjective

non·​chro·​mo·​som·​al ˌnän-ˌkrō-mə-ˈsō-məl 

1

: not situated on a chromosome

nonchromosomal DNA

2

: not involving chromosomes

nonchromosomal mutations