air space

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a space occupied by air.
the amount of breathing air in a room or other enclosed space.
the region of the atmosphere above a municipality, state, or nation, over which it has jurisdiction.
the region of the atmosphere above a plot of ground, to which the owner has rights or access.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Also airspace (for defs. 3, 4) .

Origin of air space

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use air space in a sentence

British Dictionary definitions for air space

/ (ˈɛəˌspeɪs) /

the atmosphere above the earth or part of the earth, esp the atmosphere above a country deemed to be under its jurisdiction
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