diatomic

adjective
di·atom·ic | \ˌdī-ə-ˈtä-mik \

Definition of diatomic 

: consisting of two atoms : having two atoms in the molecule

First Known Use of diatomic

circa 1859, in the meaning defined above

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The first known use of diatomic was circa 1859

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More Definitions for diatomic

diatomic

adjective
di·atom·ic | \ˌdī-ə-ˈtäm-ik \

Medical Definition of diatomic 

: consisting of two atoms : having two atoms in the molecule

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