Adjective
(electrical engineering) The converse of symmetric in electrical network theory, especially filter theory. A network where the input and output image impedances are the dual, or inverse, of each other as opposed to symmetric networks where they are equal.
A Butterworth filter with an odd number of elements is symmetric while one with an even number of elements is antimetric.
In mechanics, relating to a pair of forces, a pair of oscillations or other motion acting in the opposite direction to symmetric.
(sound engineering, especially music) Going off the rhythm, especially during a transition from one time signature to another.
Opposed to metrication.
Source: en.wiktionary.org