# cofibration

Definition from Wiktionary, the free dictionary

## English[edit]

### Etymology[edit]

### Noun[edit]

**cofibration** (*plural* **cofibrations**)

- (mathematics) A particular form of mapping. A continuous mapping , where
*A*and*X*are topological spaces, is a cofibration if it satisfies the homotopy extension property with respect to all spaces*Y*.