# linearity

## Definitions

### Computing

- noun the shape of the frequency response curve of a device such as a microphone or A/
__D__converter. If the curve is straight, the device is very accurate, if it is not, the device is introducing frequency distortion.

### Electronics

- The characteristic or condition of being linear.
- The
__extent__to which linearity (1) exists. - In TV, the
__extent__to which the presented image is free of geometric distortion.

### Health Economics

- (written as
*Linearity*)A process or equation that can be expressed in a linear equation having the form:

*X = a + bY,*where

*b*, the slope of the straight line relating*X*and*Y*, is a constant and*a is a constant intercept.*