in·hal·ant /ɪnˈhelənt/ 名詞
In·hal·ant a. Inhaling; used for inhaling.
In·hal·ant n. An apparatus also called an inhaler (which see); also, that which is to be inhaled, especially a medicine taken by inhalation.
adj : used in or intended for inhaling; "available in oral or
n 1: something that is inhaled
2: a medication to be taken by inhaling it [syn: inhalation]