accuracy

nouns

the quality of being near to the true value
"he was beginning to doubt the accuracy of his compass"; "the lawyer questioned the truth of my account"
antonym
(mathematics) the number of significant figures given in a number
"the atomic clock enabled scientists to measure time with much greater accuracy"
domain category
a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
is a type of (narrower)
an essential and distinguishing attribute of something or someone
"the quality of mercy is not strained"--Shakespeare