| extension | |
| 1. n. The act of extending; a stretching out; enlargement in length or breadth; an increase | |
| 2. n. The state of being extended | |
| 3. n. That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension") | |
| 4. n. A part of a building that has been extended from the original | |
| 5. n. (semantics) Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of intension. | |
| 6. n. (banking, finance) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt. | |
| 7. n. (medicine) The operation of stretching a broken bone so as to bring the fragments into the same straight line. | |
| 8. n. (weightlifting) An exercise in which an arm or leg is straightened against resistance. | |
| 9. n. (fencing) A simple offensive action, consisting of extending the weapon arm forward. | |
| 10. n. (telecommunication) A numerical code used to specify a specific telephone in a telecommunication network. | |
| 11. n. (computing) A file extension. | |
| Files with the .txt extension usually contain text. | |
| 12. n. (computing) An optional software component that adds functionality to an application. | |
| a browser extension | |
| 13. n. (logic) The set of tuples of values that, used as arguments, satisfy the predicate. | |
| 14. n. (grammar) A kind of derivative morpheme applied to verbs in Bantu languages. | |
