钴 gǔ cobalt Origin Definitions Defs Strokes Stroke Words Sentences Sents 依地酸二钴 yīdìsuān'èrgǔ kelocyanor kelocyanor; cobalt edetate钴鉧 gǔmǔ flatiron (literary) an iron for pressing clothes or an iron-shaped vessel used in ancient times Sources Frequency data MTSU Chinese text computingSUBTLEX-CH