trans-Planckian From trans- + Planckian. <span class="searchmatch">transplanckian</span> (comparative more <span class="searchmatch">transplanckian</span>, superlative most <span class="searchmatch">transplanckian</span>) (physics) Associated with energies...
cisplanckian (comparative more cisplanckian, superlative most cisplanckian) (physics) Associated with energies less than the Planck energy <span class="searchmatch">transplanckian</span>...