monatomic

adjective mon·atom·ic \ ˌmä-nə-ˈtä-mik \

Definition of monatomic

: consisting of one atom; especially : having but one atom in the molecule

First Known Use of monatomic

1848

in the meaning defined above

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Medical Dictionary

monatomic

adjective mon·atom·ic \ ˌmän-ə-ˈtäm-ik \

medical Definition of monatomic

1 : consisting of one atom; especially : having but one atom in the molecule
2 : monovalent 1

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