Main Entry: ne·ga·tion

Pronunciation: \ni-ˈgā-shən\

Function: noun

Date: 15th century

1 a : the action or logical operation of negating or making negative b : a negative statement, judgment, or doctrine; especially : a logical proposition formed by asserting the falsity of a given proposition — see truth table table
2 a : something that is the absence of something actual : nonentity b : something considered the opposite of something regarded as positive

— ne·ga·tion·al \-shnəl, -shə-n^əl\ adjective