Definition of "bias"
bias
/ˈbaɪəs/
noun
countable and uncountable, plural biases or biasses
(countable, uncountable) Inclination towards something.
(statistics) The difference between the expectation of the sample estimator and the true population value, which reduces the representativeness of the estimator by systematically distorting it.
(sports) In the games of crown green bowls and lawn bowls: a weight added to one side of a bowl so that as it rolls, it will follow a curved rather than a straight path; the oblique line followed by such a bowl; the lopsided shape or structure of such a bowl. In lawn bowls, the curved course is caused only by the shape of the bowl. The use of weights is prohibited.