air [ εə ]

• n.
  • a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of

    "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"

  • travel via aircraft

    "air travel involves too much waiting in airports"; "if you've time to spare go by air"

    同义词： air travel aviation

  • the region above the ground

    "her hand stopped in mid air"; "he threw the ball into the air"

  • medium for radio and television broadcasting

    "the program was on the air from 9 til midnight"; "the president used the airwaves to take his message to the people"

    同义词： airwave

  • a slight wind (usually refreshing)

    "as he waited he could feel the air on his neck"

    同义词： breeze zephyr gentle wind

  • a distinctive but intangible quality surrounding a person or thing

    "an air of mystery"; "the house had a neglected air"

    同义词： aura atmosphere

  • the mass of air surrounding the Earth

    "it was exposed to the air"

    同义词： atmosphere

  • a succession of notes forming a distinctive sequence

    "she was humming an air from Beethoven"

    同义词： tune melody strain melodic line line melodic phrase

  • once thought to be one of four elements composing the universe (Empedocles)
• v.
  • expose to fresh air

    同义词： air out aerate

  • be broadcast

    "This show will air Saturdays at 2 P.M."

  • broadcast over the airwaves, as in radio or television

    "We cannot air this X-rated song"

    同义词： send broadcast beam transmit

  • make public

    "She aired her opinions on welfare"

    同义词： publicize publicise bare

  • expose to warm or heated air, so as to dry
  • expose to cool or cold air so as to cool or freshen

    "air the old winter clothes"; "air out the smoke-filled rooms"

    同义词： vent ventilate air out

• adj. relating to or characteristic of or occurring in the air

  "air war"; "air safety"; "air travel"

以上来源于: WordNet