# 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.*