Collins COBUILD Advanced Learner's English Dictionary - inhalation

(inhalations) 1. Inhalation is the process or act of breathing in, taking air and sometimes other substances into your lungs. (FORMAL) ...a complete cycle of inhalation and exhalation... They were taken to hospital suffering from smoke inhalation... Take several deep inhalations. ? exhalation N-VAR 2. An inhalation is a treatment for colds and other illnesses in which you dissolve substances in hot water and breathe in the vapour. Inhalations can soothe and control the cough... N-COUNT