| Exhalation 1. (n.) The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation. 2. (n.) That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc. 3. (n.) A bright phenomenon; a meteor. Thesaurus Entries air, breath, effluvium, emanation, emission, evaporation, exhaust, expiration, fog, fume, gas, mist, puff, respiration, steam, suspiration, vapor, whiff |