二氯甲烷 Traditional form: 二氯甲烷 Pinyin (reading): èrlüjiǎwán Definitions: dichloromethane Characters: 二 - two; twice 氯 - chlorine 甲 - armor, shell; fingernails; 1st heavenly stem 烷 - alkane Traditional characters: 二 - two; twice 氯 - chlorine 甲 - armor, shell; fingernails; 1st heavenly stem 烷 - alkane