Definition of “apparatus” - English Dictionary

“apparatus” in American English

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apparatusnoun

us /ˌæp·əˈræt̬·əs/ plural apparatuses or apparatus

apparatus noun (EQUIPMENT)

[ C/U ] a set of equipment, tools, or a machine that is used for a particular purpose:

[ C ] The garage had an apparatus to lift cars up.

apparatus noun (SYSTEM)

[ C ] a system or organization:

Technology has moved so fast, the old regulatory apparatus can’t be made to apply to the Internet.

(Definition of “apparatus” from the Cambridge Academic Content Dictionary © Cambridge University Press)