Reynolds number

noun
Rey·nolds number | \ˈre-nᵊldz- \

Definition of Reynolds number 

: a number characteristic of the flow of a fluid in a pipe or past an obstruction

First Known Use of Reynolds number

1910, in the meaning defined above

History and Etymology for Reynolds number

Osborne Reynolds †1912 English physicist

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The first known use of Reynolds number was in 1910

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