| opera | direct or control |
|---|---|
| opera | perform surgery on |
| opera | of or relating to or characteristic of opera |
| opera | singer of lead role in an opera |
| opera | being in effect or operation |
| opera | involved in a kind of operation |
| opera | a budget for current expenses as distinct from financial transactions or permanent improvements |
| opera | the capability of a technological system to perform as intended |
| opera | capital available for the operations of a firm (e.g. manufacturing or transportation) as distinct from financial transactions and long-term improvements |
| opera | the expense of maintaining property (e.g., paying property taxes and utilities and insurance) |
| opera | the expense of maintaining property (e.g., paying property taxes and utilities and insurance) |
| opera | a manual usually accompanying a technical device and explaining how to install or operate it |