| Noun | 1. | accuracy - 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"quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare exactitude, exactness - the quality of being exact; "he demanded exactness in all details"; "a man of great exactitude" fidelity - accuracy with which an electronic system reproduces the sound or image of its input signal inaccuracy - the quality of being inaccurate and having errors |
| 2. | accuracy - (mathematics) the number of significant figures given in a number; "the atomic clock enabled scientists to measure time with much greater accuracy"quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement |