- 1
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.uncountable
- This drill runs on compressed air.
- As you ascend, the air gets thinner.
- 2
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.; The substance of the atmosphere seen as an agency of freshness.countableuncountable
- I'm going outside to get some air.
- Open the window and let some air into the room.
- 3
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.; One of the four elements of the ancient Greeks and Romans.countablehistoricaluncountable
- 4
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.; The surrounding ambience or mood; see also in the air.countablefigurativelyuncountable
- The air was tense as the judge rose to deliver his verdict.
- 5
The substance constituting Earth's atmosphere: a gaseous mixture of nitrogen, oxygen, and various trace gases.; A local environment or atmosphere, in the context of its effects on behavior, health, weather, etc.countablehistoricaluncountable
- There was a tension in the air which made me suspect an approaching storm.
- 6
The apparently open space above the ground which this substance fills, (historical) formerly thought to be limited by the firmament but (meteorology) now considered to be surrounded by the near-vacuum of outer space.uncountableusually
- The flock of birds took to the air.
- 7
The substance of the atmosphere on a planet other than Earth.broadlyuncountable
- The air on Mars is very thin and consists mostly of carbon dioxide.
- 8
A breeze; a gentle wind.countableuncountable
- 9
A feeling or sense.countableuncountable
- I strode into the room with an important air.
- to give it an air of artistry and sophistication
- 10
A feeling or sense.; A sense of poise, graciousness, or quality.countableuncountable
- "He is very plain, undoubtedly—remarkably plain:—but that is nothing compared with his entire want of gentility. I had no right to expect much, and I did not expect much; but I had no idea that he could be so very clownish, so totally witho
syn. atmosphere · aura · luft · nimbus · gas