tetradic

In ancient prosody: Comprising four different rhythms or moters: as, the tetradic epiploce.

Consisting of pericopes, or groups of systems each of which contains four unlike systems: as, a tetradic poem.

Of or pertaining to a tetrad. Also tetratomic.

Of or pertaining to a tetrad; possessing or having the characteristics of a tetrad.

Of or relating to a tetrad.

Having four-fold symmetry; used especially of the digits 0, 1 and 8.