extension

noun

1. The act of extending; a stretching out; enlargement in length, breadth, or time; an increase.
2. The state of being extended.
3. That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension").
4. A short exact sequence 1→H→E→G→1, or the group E therein.
5. A short exact sequence 0→B→E→A→0, or the object E therein.
6. A part of a building that has been added onto the original.
7. An outgrowth; a part of something that extends its capabilities.
8. Capacity of a concept or general term to include a greater or smaller number of objects; — correlative of intension.
9. Semantic widening, broadening of meaning.
10. A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
11. The operation of stretching a broken bone so as to bring the fragments into the same straight line.
12. An exercise in which an arm or leg is straightened against resistance.
13. A simple offensive action, consisting of extending the weapon arm forward.
14. A numerical code used to indicate a specific telephone in a telecommunication network.
15. An optional software component that adds functionality to an application.
16. The set of tuples of values that, used as arguments, satisfy the predicate.
17. A kind of derivative morpheme applied to verbs in Bantu languages.
18. The ideal in the codomain generated by the image of the given ideal under the given homomorphism.
19. University programs that are targeted at the broader (usually adults) community whose participants are not full-time enrolled students.