| noun | gases ejected from an engine as waste products |
| noun | system consisting of the parts of an engine through which burned gases or steam are discharged |
| verb | wear out completely “This kind of work exhausts me” |
| verb | use up (resources or materials) “this car consumes a lot of gas” |
| verb | deplete “exhaust one's savings” |
| verb | use up the whole supply of “We have exhausted the food supplies” |
| verb | eliminate (a substance) “combustion products are exhausted in the engine” |
| exhaustion | noun | the act of exhausting something entirely |
| consumptive | adjective | tending to consume or use often wastefully |
| consumable | adjective | may be used up |
| depletion | noun | the state of being depleted |
| sapper | noun | a military engineer who lays or detects and disarms mines |
| discharge | noun | any of several bodily processes by which substances go out of the body |
| expulsion | noun | the act of expelling or projecting or ejecting |
| expelling | noun | any of several bodily processes by which substances go out of the body |
| ejection | noun | the act of expelling or projecting or ejecting |
| release | noun | a process that liberates or discharges something |