in vacuo

adverb
in vac·uo | \in-ˈva-kyə-ˌwō \

Definition of in vacuo 

: in a vacuum

First Known Use of in vacuo

1660, in the meaning defined above

History and Etymology for in vacuo

New Latin

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The first known use of in vacuo was in 1660

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in vacuo

adverb
in vac·uo | \in-ˈvak-yə-ˌwō \

Medical Definition of in vacuo 

: in a vacuum serum dried in vacuo

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