ns]
| 1. | the act of clearing. |
| 2. | the distance between two objects; an amount of clear space: The bridge allowed a clearance of 37 feet at mean high water. |
| 3. | a formal authorization permitting access to classified information, documents, etc. |
| 4. | Also called clearance sale. the disposal of merchandise at reduced prices to make room for new goods: He bought the coat for half price at a clearance. |
| 5. | a clear space; a clearing: The house stood in a clearance among the trees. |
| 6. | Banking. an exchange of checks and other commercial paper drawn on members of a clearinghouse, usually effected at a daily meeting of the members. |
| 7. | Machinery. a space between two moving parts, left to avoid clashing or to permit relatively free motion. |
| 8. | the angle between a face of a cutting tool, as a lathe tool, and the work. |
| 9. | Nautical.
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| 10. | Medicine/Medical. a test of the excretory function of the kidneys based on the volume of blood that is cleared of a specific substance per minute by renal excretion. |
clearance clear·ance (klēr'əns)
n.
The removal of a substance from the blood, expressed as the volume of blood or plasma cleared of the substance per unit time.