| Answer | Crossword Clue |
|---|---|
| homeomorphism | one-to-one correspondence of two geometric figures that is continuous in both directions |
| homeomorphisms | HOMEOMORPHISM, one-to-one correspondence of two geometric figures that is continuous in both directions |
| biunique | being a correspondence between two sets that is one-to-one in both directions |
| saltbox | type of house found esp. in New England, generally two full stories high in front and one story high in back, the roof having about the same pitch in both directions so that the ridge is well toward the front of the house |
| antisymmetric | relating to or being a relation (as is a subset of) that implies equality of any two quantities for which it holds in both directions |
