(logic) Describing situations in which the veracity of a statement may be shown to be true without revealing any other information.

(cryptography) An interactive method for one party to prove to another that a (usually mathematical) statement is true, without revealing anything other than the veracity of the statement.

(simile, colloquial) Very much under the influence of drugs; extremely high.

A bracelet which partners both wear to show their love.

Official name of North Korea.

A restrained or subdued situation. / (photography) A dark area of a photograph with little contrast.

(informal) Alternative spelling of low-key

Official name of South Korea.

Alternative spelling of kaolin

(databases) A column (or group of columns) in a relational table that identifies another table, so that items in the two tables can be conceptually linked.