Definition of light bulb in English:

light bulb

Line breaks: light bulb

noun

A glass bulb inserted into a lamp or a socket in a ceiling, which provides light by passing an electric current through a filament or a pocket of inert gas: the watchman switched on an electric light bulb
More example sentences
  • The British Courts stood by their patent award for the light bulb to Swan, and Edison lost the suit.
  • Although this is optional, I highly recommend it because this helps make the light bulb less fragile.
  • Incandescent and halogen light bulbs can fade colors if they are very close to the light source.

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Word of the day middlescent
Pronunciation: ˌmɪdəˈlɛs(ə)nt
adjective
middle-aged, but still maintaining youthful interests and activities