1. air
noun. ['ˈɛr'] a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of.
Etymology
- air (English)
- air (Middle English (1100-1500))
- aeir (Anglo-Norman)
2. air
noun. ['ˈɛr'] the region above the ground.
Antonyms
Synonyms
Etymology
- air (English)
- air (Middle English (1100-1500))
- aeir (Anglo-Norman)
3. gas
noun. ['ˈgæs'] the state of matter distinguished from the solid and liquid states by: relatively low density and viscosity; relatively great expansion and contraction with changes in pressure and temperature; the ability to diffuse readily; and the spontaneous tendency to become distributed uniformly throughout any container.
Synonyms
Etymology
- gas (English)
- gas (Dutch)
4. gas
noun. ['ˈgæs'] a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely.
Etymology
- gas (English)
- gas (Dutch)
5. air
noun. ['ˈɛr'] a distinctive but intangible quality surrounding a person or thing.
Synonyms
Etymology
- air (English)
- air (Middle English (1100-1500))
- aeir (Anglo-Norman)
6. gas
noun. ['ˈgæs'] a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines.
Etymology
- gas (English)
- gas (Dutch)
7. air
noun. ['ˈɛr'] a slight wind (usually refreshing).
Synonyms
Etymology
- air (English)
- air (Middle English (1100-1500))
- aeir (Anglo-Norman)
8. gas
noun. ['ˈgæs'] a pedal that controls the throttle valve.
Antonyms
Synonyms
Etymology
- gas (English)
- gas (Dutch)