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bias
- Main Entry:
- 1bi·as
- Pronunciation:
-
\ˈbī-əs\
- Function:
- noun
- Etymology:
- Middle French biais
- Date:
- 1530
1: a line diagonal to the grain of a fabric; especially : a line at a 45 degree angle to the selvage often utilized in the cutting of garments for smoother fit2 a: a peculiarity in the shape of a bowl that causes it to swerve when rolled on the green in lawn bowling b: the tendency of a bowl to swerve; also : the impulse causing this tendency c: the swerve of the bowl3 a: bent, tendency b: an inclination of temperament or outlook; especially : a personal and sometimes unreasoned judgment : prejudice c: an instance of such prejudice d (1): deviation of the expected value of a statistical estimate from the quantity it estimates (2): systematic error introduced into sampling or testing by selecting or encouraging one outcome or answer over others4 a: a voltage applied to a device (as a transistor control electrode) to establish a reference level for operation b: a high-frequency voltage combined with an audio signal to reduce distortion in tape recording
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