Dictionary.com
Thesaurus.com

in vacuo

American  
[in wah-koo-oh, in vak-yoo-oh] / ɪn ˈwɑ kʊˌoʊ, ɪn ˈvæk yuˌoʊ /

adverb

Latin.
  1. in a vacuum.

  2. in isolation.


in vacuo British  
/ ɪn ˈvækjʊˌəʊ /

adverb

  1. in a vacuum

  2. in isolation; without reference to facts or evidence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Hermes was still in vacuo, so we didn't have to cycle the airlock.

From Literature

Steam has taken the place of fires at the boiling stations, and boiling in vacuo has been as fully adopted in Queensland as in other parts of the sugar-producing world.

From Project Gutenberg

That a vast amount of radiant heat rushes through a cloud is clearly shown by exposing a thermometer with black bulb in vacuo.

From Project Gutenberg

This experiment was intended, like the rubbing of the blocks of ice in vacuo by Davy, to meet the objection that the heat developed by friction was due to the action of the air.

From Project Gutenberg

The specific gravity evidently amounts in itself to nothing, being as air in air, and as vacuum in vacuo.

From Project Gutenberg