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 Combatting these threats takes a coordinated effort of the nation's law enforcement and national security apparatus. Donald J. Mihalek, ABC News, 6 July 2024 Although the 40-year-old Chevron precedent was mostly unknown to non-lawyers until recently, overturning it will have profound consequences for the legal system and the whole apparatus of government through regulation. Noah Feldman, The Mercury News, 2 July 2024 Without knowing the true severity of her injury, Jones pushed through her uneven bars routine and earned the highest score on the apparatus of the night. Deanna Taylor, Essence, 1 July 2024 In addition to the all-around rankings, the selection committee will look at the top three gymnasts on each apparatus. Kaetlyn Liddy, NBC News, 30 June 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 15 Jul. 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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