Meaning & use
Circulation
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The continuous movement of something, such as blood through the body, air through a space, or currency and publications through a system of exchange.
See it in a sentence
Regular exercise improves blood circulation throughout the body.
The newspaper's circulation has declined sharply since readers moved online.
A note on using this word
From Latin 'circulatio,' related to 'circle'; the word gained its modern medical meaning after William Harvey described blood circulation in 1628.
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Another way to use it
2. noun
The number of copies of a newspaper, magazine, or other publication distributed or sold.
The magazine's circulation dropped by half in a decade.
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