Air is the invisible mixture of gases, mainly oxygen and nitrogen, that surrounds the Earth and that we breathe. The word can also mean the space above the ground or a light, graceful manner.
From Latin *aer* via Old French, originally from Greek *aēr* meaning “air, atmosphere, mist.” The meaning expanded into ideas of openness and appearance.
We talk about ‘air’ in physics, weather, music (“airy”), and even personality (“an air of confidence”). One tiny word quietly links breathing, space, style, and mood—all about what surrounds and fills us.
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