plural of magnum opus

(accounting) Income after deducting operating expenses but before deducting for income taxes, interest, and depreciation and amortization.

(archaic) third-person singular simple present indicative form of open

(film) Of a soft matte film, transferred to a home video format with the full frame exposed, thus having the theatrical mattes removed.

(astronomy) a more or less irregular star cluster containing tens to thousands of stars

(intransitive, idiomatic) to maintain a background awareness of something; to remain alert to changes without it occupying one's full attention.

A room in a hospital used for performing surgery (originally designed for operations in front of observers).

A room in a hospital used for performing surgical operations.

(computing) A logical operator that returns a value as soon as the outcome is certain, without necessarily testing all operands (for example, an OR operator returning true if the first operand evaluates as true, without evaluating the second operand).

Alternative spelling of short circuit operator