present participle of bulb

(obsolete) An onion. / The bulb-shaped root portion of a plant such as a tulip, from which the rest of the plant may be regrown. / (dated, neuroanatomy) The medulla oblongata.

(intransitive) To take the shape of a bulb; to swell.

plural of bulb

Third-person singular simple present indicative form of bulb

Shaped like a bulb.

(meteorology) Cooling caused by evaporation.

An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.

plural of light bulb

An internal combustion engine in which the fuel is ignited by hot, compressed gas rather than a spark