Definition of lightbulb

Scrabble & Words with friends points

• lightbulb is a valid Scrabble US word with a point value of 17
• lightbulb is a valid Scrabble UK word with a point value of 17
• lightbulb is a valid Words with friends word with a point value of 22

Definition of lightbulb

• electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity (noun)

  Synonyms

  1. bulb
  2. electric-light bulb
  3. electric light
  4. incandescent lamp
  5. light bulb

See definition of lightbulb in Merriam Webster