A device that turns liquid into a fine mist for spraying, such as for gardening, cleaning, medical inhalation, or humidifying.
The farmer sprayed pesticide with a sprayer.
I inhaled medicine using a nebulizer at the hospital.
噴霧器 is a more technical or industrial term for a spraying device, while スプレー is the everyday word for a handheld spray bottle or can.
Standard kanji spelling using 器 (vessel/device).
Alternate spelling using 機 (machine); less common but seen in some product names.
Compound of 噴 (spout, emit) + 霧 (mist) + 器 (device). The spelling 噴霧機 uses 機 (machine) instead of 器.