(computing) A computer-human interaction in which either the computer or the human can take initiative and decide what to do next.

(philately) bulk stamps collected by banks and other large businesses, then sold to the collecting trade to raise funds for charities.

Bulk stamps which include duplication accumulated by missions and charities, then sold to the collecting trade.

(sports) A game played between two teams, each consisting of a female and a male.

Marriage between people of different socially-distinguished groups, such as different races, cultures or religions.

A blend of foods for snacking on the go, as during hikes, usually consisting of some combination of dried fruit, nuts, seeds, granola, and sometimes small candies, cereal, etc.

(linguistics) An overreaching, contradictory or incongruous combination of two distinct metaphors, similes or idioms.

(inorganic chemistry) Any mixture of the oxides of more than one metal, but especially the blend of plutonium and uranium oxides that is used (as MOX fuel) in nuclear reactors

plural of mixed metaphor

A type of pronunciation change required when speaking certain Celtic languages.