• Definition for "hot bulb"
    • An internal burning motor where the fuel is…
    • View More
  • Equivalent for "hot bulb"
  • Variant for "hot bulb"

hot bulb definition

  • noun:
    • An internal burning motor where the fuel is ignited by hot, compressed gas rather than a spark
  • others:
    • See semi-diesel, under.
42 votes

How would you define hot bulb?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!