| 单词 | thionic acid |
| 释义 | thionic acid in American English1. any organic chemical compound containing the monovalent radical CS·OH 2. any of a group of acids with the general formula H2SnO6, in which n varies from 2 to 6 thionic acid in American Englishnoun Chemistry any of the five acids of sulfur of the type H2SnO6, where n is from two to six Word origin [1875–80]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: fan-tan, hat trick, knockabout, massage, slime mold |
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