in contrast to, rather than, instead of; particularly used in defining a concept by providing an example that does not fall inside the concept.

plural of opposal

(archaic) opposition

The condition or quality of being opposable (capable of being placed opposite to something else). / The condition or quality of being opposable (capable of being resisted).

in an opposable manner

Misspelling of as opposed to.

Pertaining to the opposed-piston engine / opposed-cylinder engine

(automotive) A type of engine cylinder, with two pistons, horizontally opposed with each other, and the combustion chamber sitting centrally between the two pistons.

plural of opposable thumb

plural of opposed cylinder