in vacuo

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in vac·u·o

 (ĭn văk′yo͞o-ō′)
1. In a vacuum.
2. Without reference to related context; in isolation.

[New Latin in vacuō : Latin in, in + Latin vacuō, ablative of vacuus, empty.]

in vacuo

(ɪn ˈvækjʊˌəʊ)
1. (Chemistry) in a vacuum
2. (Literary & Literary Critical Terms) in isolation; without reference to facts or evidence

in va•cu•o

(ɪn ˈwɑ kʊˌoʊ; Eng. ɪn ˈvæk yuˌoʊ)

adv., adj. Latin.
1. in a vacuum.
2. in isolation.
ThesaurusAntonymsRelated WordsSynonymsLegend: vacuo - in isolation and without reference to anything else vacuo - in a vacuum
References in classic literature ?
The definition of a "momentary thing" involves problems concerning time, since the particulars constituting a momentary thing will not be all simultaneous, but will travel outward from the thing with the velocity of light (in case the thing is in vacuo).
In vacuo, the parts are regular, and can be derived from the (imaginary) root according to the laws of grammar, i.e.
Indeed, it was produced in vacuo, which insured both its steadiness and its intensity.