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Vacuum

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Posted by Brian Kirk Parquette on March 27, 2003 19:53:57 UTC

6 entries found for vacuum.
vac·u·um ( P ) Pronunciation Key (vky-m, -ym, -ym)
n. pl. vac·u·ums or vac·u·a (-y-)

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.
A state of emptiness; a void.
A state of being sealed off from external or environmental influences; isolation.
pl. vac·uums A vacuum cleaner.

adj.
Of, relating to, or used to create a vacuum.
Containing air or other gas at a reduced pressure.
Operating by means of suction or by maintaining a partial vacuum.

tr. & intr.v. vac·u·umed, vac·u·um·ing, vac·u·umes
To clean with or use a vacuum cleaner.


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[Latin, empty space, from neuter of vacuus, empty, from vacre, to be empty. See eu- in Indo-European Roots.]

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Source: The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
[Buy it]


vacuum

P vacuum: log in for this definition of vacuum and other entries in Merriam-Webster Medical Dictionary, available only to Dictionary.com Premium members.


Source: Merriam-Webster Medical Dictionary, © 2002 Merriam-Webster, Inc.


vacuum

P vacuum: log in for this definition of vacuum and other entries in Merriam-Webster Medical Dictionary, available only to Dictionary.com Premium members.


Source: Merriam-Webster Medical Dictionary, © 2002 Merriam-Webster, Inc.


vacuum

\Vac"u*um\, n.; pl. E. Vacuums, L. Vacua. [L., fr. vacuus empty. See Vacuous.] 1. (Physics) A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.


Source: Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.


vacuum

n 1: the absence of matter [syn: vacuity] 2: a region empty of matter [syn: vacuity] 3: an electrical home appliance that cleans by suction [syn: vacuum cleaner] v : clean with a vacuum cleaner [syn: vacuum-clean, hoover]


Source: WordNet ® 1.6, © 1997 Princeton University


vacuum

vacuum: in CancerWEB's On-line Medical Dictionary


Source: On-line Medical Dictionary, © 1997-98 Academic Medical Publishing & CancerWEB

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