1. Gases ejected from an engine as waste products
   - exhaust, fumes

Type of: gas, waste, waste material, waste matter, waste product

Encyclopedia: Exhaust fumes

• strong drink
• strong force
• strong gale
• four-in-hand
• four-lane
• four-leaf
• four-leaved
• four-letter Anglo-Saxon word
• four-letter word
• four-lined leaf bug
• four-lined plant bug
• four-lobed
• four-membered
• four-minute man
• four-needled
• four-o'clock family
• four-part harmony
• four-party
• four-petaled
• four-petalled
• four-ply
• four-poster
• four-pounder
• four-pronged
• four-sided