apparatus

noun

ap·​pa·​ra·​tus ˌa-pə-ˈra-təs How to pronounce apparatus (audio) -ˈrā- How to pronounce apparatus (audio)
plural apparatuses or apparatus
1
a
: a set of materials or equipment designed for a particular use
b
: a group of anatomical or cytological parts functioning together
mitotic apparatus
c
: an instrument or appliance designed for a specific operation
an apparatus for measuring vision
2
: the functional processes by means of which a systematized activity is carried out
the apparatus of society
: such as
a
: the machinery of government
b
: the organization of a political party or an underground movement

Examples of apparatus in a Sentence

Recent Examples on the Web And there is something even more sinister about such moves gaining steam while the editorial apparatus once responsible for doing this kind of work at newspapers, magazines, alt-weeklies and regional broadcasters continues to collapse. Sheldon Pearce, NPR, 13 June 2024 What’s left, in the end, isn’t just a climactic verdict for the accused — and a juicy reveal outside the courtroom — but the ruins of a man who lived his life for the law, if not also the legal apparatus itself. Ben Travers, IndieWire, 12 June 2024 The 37-time world and Olympic medalist also took home national titles on all four apparatuses, NBC News reports. Melissa Noel, Essence, 3 June 2024 Free diving involves holding one’s breath for an extended period of time instead of using a breathing apparatus. David Matthews, New York Daily News, 13 May 2024 See all Example Sentences for apparatus 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'apparatus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

borrowed from Latin apparātus "act of preparing, display, trappings, equipment," from apparāre "to make ready, make preparations for" (from ad- ad- + parāre "to supply, provide, make ready") + -tus, suffix of verbal nouns — more at pare

First Known Use

circa 1628, in the meaning defined at sense 1a

Time Traveler
The first known use of apparatus was circa 1628

Dictionary Entries Near apparatus

Cite this Entry

“Apparatus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/apparatus. Accessed 22 Jun. 2024.

Kids Definition

apparatus

noun
ap·​pa·​ra·​tus ˌap-ə-ˈrat-əs How to pronounce apparatus (audio) -ˈrāt- How to pronounce apparatus (audio)
plural apparatuses or apparatus
1
: the equipment or material for a particular use or job
laboratory apparatus
2
: a complicated instrument or device

Medical Definition

apparatus

noun
ap·​pa·​ra·​tus ˌap-ə-ˈrat-əs How to pronounce apparatus (audio) -ˈrāt- How to pronounce apparatus (audio)
plural apparatuses or apparatus
: a group of anatomical and cytological parts having a common function
the respiratory apparatus
see golgi apparatus

More from Merriam-Webster on apparatus

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