light bulb

English

/ˈlaɪtˌbʌlb/

noun
Definitions
  • An evacuated glass bulb containing a metal filament which is heated by electrical resistance to produce light.
  • (by extension) An article that resembles such a bulb and converts electricity to light by any process.
  • (figuratively)

Etymology

Compound from English light (not heavy, lacking weight, not weighed down, ignite, very like, come, make less heavy, get down, same as, drop, illuminate, lacking weight mental gravity, shine, lacking mental gravity, weak, pale, bright, lighten, l, luminous, visible, little weight, make bright, dismount, unload) + English bulb.

Origin

English

bulb

Gloss

Timeline

Distribution of cognates by language

Geogrpahic distribution of cognates

Cognates and derived terms