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negative pressure

American

[neg-uh-tiv presh-er] / ˈnɛg ə tɪv ˈprɛʃ ər /

noun

a level of pressure below the surrounding atmospheric pressure.

negative pressure Scientific

See under pressure

Other Word Forms

negative-pressure

adjective

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.