monosomic

adjective

mono·​so·​mic ˌmä-nə-ˈsō-mik 

: having one less than the diploid number of chromosomes

monosomic noun

monosomy

ˈmä-nə-ˌsō-mē 

noun

Word History

First Known Use

1926, in the meaning defined above

Medical Definition

monosomic

1 of 2 adjective

mono·​so·​mic ˌmän-ə-ˈsō-mik 

: having one less than the diploid number of chromosomes

monosomy

ˈmän-ə-ˌsō-mē 

noun

plural monosomies

autosomal monosomy

monosomic

2 of 2 noun

: a monosomic individual