respirable

respirable
[ˈrɛsp(ə)rəb(ə)l, rɪˈspʌɪ-]
adjective
  1. (of the air or a gas) able or fit to be breathed
    (空气或气体)能被呼吸的;适于呼吸的
    ■(of particles in the air) able to be breathed in
    (空气中的粒子)能被人体吸入的
    woodworking can create quantities of fine respirable dust.
    木器加工能产生许多细小的能被人体吸入的粉尘。
语源
  1. late 18th cent.: from French respirable or late Latin respirabilis, from respirare 'breathe out' (see respire)
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