<span class="searchmatch">adderar</span> (non-standard since 1938) present tense of addera <span class="searchmatch">adderar</span> present indicative of addera darrade, raderad...
adderande, imperative adder) alternative form of addere addera (present <span class="searchmatch">adderar</span>, preterite adderade, supine adderat, imperative addera) (mathematics) to...