apparatus

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noun ap·pa·ra·tus \ˌa-pə-ˈra-təs, -ˈrā-\

Definition of apparatus

plural

apparatuses

or

apparatus

  1. 1a :  a set of materials or equipment designed for a particular useb :  a group of anatomical or cytological parts functioning together mitotic apparatusc :  an instrument or appliance designed for a specific operation an apparatus for measuring vision

  2. 2 :  the functional processes by means of which a systematized activity is carried out the apparatus of society: such asa :  the machinery of governmentb :  the organization of a political party or an underground movement

Origin and Etymology of apparatus

Latin, from apparare to prepare, from ad- + parare to prepare — more at pare


First Known Use: circa 1628


APPARATUS Defined for English Language Learners

apparatus

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noun ap·pa·ra·tus \ˌa-pə-ˈra-təs, -ˈrā-\

Definition of apparatus for English Language Learners

  • : a tool or piece of equipment used for specific activities

  • : the organization or system used for doing or operating something


APPARATUS Defined for Kids

apparatus

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noun ap·pa·ra·tus \ˌa-pə-ˈra-təs, -ˈrā-\

Definition of apparatus for Students

plural

apparatuses

or

apparatus

  1. :  the equipment or material for a particular use or job gymnasium apparatus laboratory apparatus


Medical Dictionary

apparatus

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noun ap·pa·ra·tus \ˌap-ə-ˈrat-əs, -ˈrāt-\

Medical Definition of apparatus

plural

apparatuses

or

apparatus

  1. :  a group of anatomical and cytological parts having a common function the respiratory apparatus—see golgi apparatus



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