(mathematics) A subbranch of combinatorics that concerns additive problems expressed using sumsets.

immunity and immune response granted by the adaptive immune system

(Hong Kong) A machine that adds value to public transport cards.

plural of add value machine

A person who regularly consumes cocaine.

(archaic, slang) An extremely long time ago; long before living memory.

Synonym of since Adam was an oakum boy

Synonym of when Adam was an oakum boy

(archaic, slang) Since an extremely long time ago; since long before living memory.

An educational method which uses computer algorithms as well as artificial intelligence to orchestrate the interaction with the learner and deliver customized resources and learning activities to address the unique needs of each learner.