From octad + -ic. <span class="searchmatch">octadic</span> (not comparable) of or pertaining to an octad; eightfold cactoid...
hexad, hebdomad/heptad, ogdoad/octad, ennead/nonad, decad/decade, hendecad, dodecad/duodecade, chiliad <span class="searchmatch">octadic</span> octad of octads octaeteris octennium...
the nonadic nine planets. This word has been coined on the model of tetradic, <span class="searchmatch">octadic</span> etc, but has little usage; the usual term is enneadic. nonacid...
for Fréchet Surfaces, page 27: It is well known that a Peano space is a cactoid if and only if each of its true cyclic elements is a 2-sphere. <span class="searchmatch">octadic</span>...
duadic dyadic enneadic heptadic hexadic monadic n-adic niladic nonadic <span class="searchmatch">octadic</span> p-adic pentadic polyadic tetradic triadic variadic having a number of arguments...