General device that turns liquid into vapor, such as a medical vaporizer or a fuel vaporizer.
This vaporizer turns water into steam.
Specifically the device in an internal combustion engine that mixes fuel with air. Often replaced by キャブレター in modern usage.
See also: キャブレター
I cleaned the carburetor of the old car.
Compound of 気化 (vaporization) and 器 (device). The meaning 'carburetor' is a specialized application of the vaporizer sense.