Old bulb Synonyms

Definitions for Old


  • (adjective) being of advanced years and especially past middle age
  • (adjective) dating or surviving from the distant past
  • (adjective) having been such at some previous time

Synonyms for phrase

OB abbreviation

OB is an abbreviation for Old Bulb
What does OB stand for?
OB stands for "Old Bulb"

Bulb replaced

Definitions for Bulb


  • (noun) anything with a round shape resembling a teardrop
  • (noun) a rounded part of a cylindrical instrument (usually at one end)
  • (noun) electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity