Search the dictionary A Chinese word or character, or English Draw a character Search 5 entries. tànsuānyán 碳酸盐 carbonate salt (chemistry) tànsuānyán 碳酸鹽 carbonate salt (chemistry) tànsuānyán 碳酸岩 carbonate rock (geology) chóngtànsuānyán 重碳酸盐 bicarbonate chóngtànsuānyán 重碳酸鹽 bicarbonate