Definition of apparatus
- mitotic apparatus
- an apparatus for measuring vision
- the apparatus of society
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'apparatus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: circa 1628See Words from the same year
: a tool or piece of equipment used for specific activities
: the organization or system used for doing or operating something
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