plural of operant

Able to be operated or used / Able to be put into operation; practicable / Able to be treated by surgery

The extent to which a system or device is operable.

(mathematics, logic) An operation on logical values that changes true to false, and false to true.

plural of oper

(Internet) A network operator on IRC.

Obsolete form of operose.

The act of operating or working; operation.

operativeness

Abbreviation of Old Persian.