From quasi- + cubic. <span class="searchmatch">quasicubic</span> (not comparable) Almost, but not quite cubic....
millimetre cubic nitre cubo-cubic cumec cusec hypercubic noncubic pseudocubic <span class="searchmatch">quasicubic</span> subcubic tricubic (degree three polynomial): cubic curve, cubic equation...
quasiconvexity quasicriminal quasicritical quasicrystal quasicrystalline <span class="searchmatch">quasicubic</span> quasicycle quasicyclic quasidefinite quasidemocracy quasidemocratic quasiderivation...