| opera | fit or ready for use or service |
|---|---|
| opera | pertaining to a process or series of actions for achieving a result |
| opera | loss of military equipment in field operations |
| opera | loss of military equipment in field operations |
| opera | the doctrine that the meaning of a proposition consists of the operations involved in proving or applying it |
| opera | of or relating to or espousing operationalism |
| opera | in respect to operation |
| opera | financial transactions at a brokerage |
| opera | research designed to determine most efficient way to do something |
| opera | someone who can be employed as a detective to collect information |
| opera | a person secretly employed in espionage for a government |
| opera | being in force or having or exerting force |