| 单词 | dithionous acid |
| 释义 | di·thi·o·nous acid (dī-thīə-nəs) n. An unstable acid, H2S2O4, that is found chiefly in the form of its salts and is used as a bleaching and reducing agent. Also called hydrosulfurous acid. [DI-1 + Greek theion, sulfur + -OUS.] |
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