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acutance

noun
acut·​ance | \ə-ˈkyü-tᵊn(t)s\
plural -s

Definition of acutance 

: a measure of the steepness or abruptness of an edge in a photographic image

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First Known Use of acutance

1952, in the meaning defined above

History and Etymology for acutance

acute entry 1 + -ance

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The first known use of acutance was in 1952

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