OR — English Dictionary

Conjunction

1. Inclusive or; either one proposition or the other is true or both.

2. A lexical symbol to implement inclusive or in a computer language.

3. A logic gate to implement inclusive or.

Noun

1. The binary operator inclusive or, true if one at least one of two inputs is true. In infix notation.

   Usage

   • Uncountable

   Related words

   ANDXORNANDNOT

   Examples

   More examples (1)

   The proof (Tables 9 and 10) of idempotence for both OR and AND follows from examining the definition of each operation under the constraint that both inputs have the same value.

Noun

1. a room in a hospital equipped for the performance of surgical operations

   Synonyms

   operating roomoperating theateroperating theatresurgery

   Broader terms

   hospital room

   Examples

   great care is taken to keep the operating rooms aseptic