From octa- + basic. Rhymes: -eɪsɪk <span class="searchmatch">octabasic</span> (not comparable) (chemistry, of an acid) containing eight replaceable hydrogen atoms (chemistry, of a salt)...
octaacetate octantimonide octarticulate octathlon octaatomic octaazacubane <span class="searchmatch">octabasic</span> octabromide octabromo octacaine octacalcium octacarbide octacarbonate...
hexabasic macrobasic mesobasic microbasic monobasic multibasic nonbasic <span class="searchmatch">octabasic</span> oligobasic pentabasic polybasic postbasic prebasic quadribasic sesquibasic...