SPECIFICATION

[noun]A specification (also informal spec) is a clear detailed plan.A specification has been drawn up for the new military aircraft. [C]It is the builder's job to make sure that the house conforms to/meets/matches the architect's specification in every way. [C]These two computer programs seem almost identical in specification (= seem to do the same things). [U]When I started work, there was no exact specification (= clear detailed description) of what my job would entail. [U]The cars have been built to a high specification (= a high standard). [C]