vacua

[ vak-yoo-uh ]
/ ˈvæk yu ə /
|

noun

a plural of vacuum.

Definition for vacua (2 of 2)

Origin of vacuum

1540–50; < Latin, neuter of vacuus empty
Related formsnon·vac·u·um, adjective, noun, plural non·vac·u·ums, non·vac·u·a.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vacua

British Dictionary definitions for vacua (1 of 2)

vacua

/ (ˈvækjʊə) /

noun

a plural of vacuum

British Dictionary definitions for vacua (2 of 2)

vacuum

/ (ˈvækjʊəm) /

noun plural vacuums or vacua (ˈvækjʊə)

verb

to clean (something) with a vacuum cleanerto vacuum a carpet

Word Origin for vacuum

C16: from Latin: an empty space, from vacuus empty
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

Medicine definitions for vacua

vacuum

[ văkyōō-əm, -yōōm, -yəm ]

n. pl. vac•u•ums

Absence of matter.
A space empty of matter.
A space relatively empty of matter.
A space in which the pressure is significantly lower than atmospheric pressure.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for vacua

vacuum

[ văkyōōm ]

Plural vacuums vacuua

A region of space in which there is no matter.
A region of space having extremely low gas pressure relative to surrounding pressure. The air pump of a vacuum cleaner, for example, drastically reduces the air pressure inside the device, creating a vacuum; the pressure difference causes air to rush into it, carrying dust and debris along with it.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for vacua

vacuum


The absence of matter.

Note

In the natural world, air will flow into regions of vacuum, giving rise to the saying “Nature abhors a vacuum.”

Note

The saying is extended informally: in politics, a lack of leadership may be referred to as a vacuum, which will presumably be filled by others rushing in.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.