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airtight

 - 2 dictionary results

air⋅tight

[air-tahyt]
–adjective
1. preventing the entrance or escape of air or gas.
2. having no weak points or openings of which an opponent may take advantage: an airtight contract.

Origin:
1750–60; air 1 + tight


airtightly, adverb
airtightness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To airtight
air·tight   (âr'tīt')   
adj.  
  1. Impermeable by air.

  2. Having no weak points; sound: an airtight excuse.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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