air·space or air space (âr sp s )n. 1. The portion of the atmosphere above a particular land area, especially that of a political subdivision such as a nation. 2. a. The space occupied by an aircraft. b. A designated sector of space, such as that in the vicinity of an airport. 3. a. Chiefly British Space available for broadcasting within a particular frequency: "Mobile radio has to compete for air space with other services such as broadcast radio, television, and even military services" (Financial Times). b. See airtime. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  air space - the space in the atmosphere immediately above the earthatmosphere, air - the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air" space - an area reserved for some particular purpose; "the laboratory's floor space" |
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