| exhaust (def. 13). |
[ig-zawst] 
| 1. | to drain of strength or energy, wear out, or fatigue greatly, as a person: I have exhausted myself working. |
| 2. | to use up or consume completely; expend the whole of: He exhausted a fortune in stock-market speculation. |
| 3. | to draw out all that is essential in (a subject, topic, etc.); treat or study thoroughly. |
| 4. | to empty by drawing out the contents: to exhaust a tank of fuel oil. |
| 5. | to create a vacuum in. |
| 6. | to draw out or drain off completely. |
| 7. | to deprive wholly of useful or essential properties, possessions, resources, etc. |
| 8. | Chemistry, Pharmacology. to deprive of ingredients by the use of solvents, as a drug. |
| 9. | to destroy the fertility of (soil), as by intensive cultivation. |
| 10. | to pass out or escape, as spent steam from the cylinder of an engine. |
| 11. | the escape of steam or gases from the cylinder of an engine. |
| 12. | the steam or gases ejected. |
| 13. | Also called exhaust system. the parts of an engine through which the exhaust is ejected. |
