in vac·u·o 
(ĭn văky-ō′)
(ĭn văky-ō′)adv.
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.]
- double-handedly
- double-header
- doubleheader
- double helix
- double-hung window
- double indemnity
- double jeopardy
- double-jointed
- double knit
- double-knit
- double negative
- doubleness
- double-park
- double-parker
- double play
- double pneumonia
- double possessive
- double-quick
- doubler
- double reed
- double-reed
- double refraction
- double replacement
- double reverse
- double rhyme