Usually means: Heated chamber ignites internal combustion.
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We found 7 dictionaries that define the word hot bulb:

General (6 matching dictionaries)
  1. hot-bulb: Merriam-Webster
  2. hot bulb: Wordnik
  3. hot bulb: Wiktionary
  4. Hot bulb: Dictionary.com
  5. hot bulb: FreeDictionary.org
  6. Hot bulb: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. hot-bulb: Encyclopedia

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Definitions from Wiktionary (hot bulb)

▸ noun:  An internal combustion engine in which the fuel is ignited by hot, compressed gas rather than a spark

Similar:
hot tube, internal combustion, gas jet, light bulb, dry heater, heat lamp, hydrogen lamp, burner, block heater, Stirling engine, more...

Opposite:
cold bulb, cool bulb, unheated bulb

Phrases:
hot bulb engine, more...

▸ Words similar to hot bulb

▸ Usage examples for hot bulb

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▸ Rhymes of hot bulb

▸ Invented words related to hot bulb

Similar:
hot tube, internal combustion, gas jet, light bulb, dry heater, heat lamp, hydrogen lamp, burner, block heater, Stirling engine, more...

Opposite:
cold bulb, cool bulb, unheated bulb

Phrases:
hot bulb engine, more...



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