vacuo definition
Definitions for in vacuoÉªn ËwÉ kÊËoÊ; Eng. Éªn ËvÃ¦k yuËoÊ. Here are all the possible meanings and translations of the word in vacuo. Princeton's WordNet(0.00 / 0 votes)Rate this definition: in vacuo(adverb) in isolation and without reference to anything else. in vacuo(adverb) in a vacuum.