<p><strong>Noun:</strong></p><ul><li>A salt or ester of sulfuric acid.</li></ul><p><strong>Verb:</strong></p><ul><li><p>(used with object)</p><ul><li>Sulfated, sulfating. To combine, treat, or impregnate with sulfuric acid, a sulfate, or sulfates.</li><li>To convert into a sulfate.</li><li>(Electricity) To form a deposit of lead-sulfate compound on (the lead electrodes of a storage battery).</li></ul></li><li><p>(used without object)</p><ul><li>Sulfated, sulfating. To become sulfated.</li></ul></li></ul>