plural accuracies
Definition of accuracy
1
: freedom from mistake or error : correctness
checked the novel for historical accuracy
2a
: conformity to truth or to a standard or model : exactness
impossible to determine with accuracy the number of casualties
b
: degree of conformity of a measure to a standard or a true value — compare precision entry 1 sense 2a
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Merriam-Webster unabridged
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The first known use of accuracy was in 1644
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