| 单词 | lyddite |
| 释义 | Word Frequency lyddite(ˈlɪdaɪt) noun 1. an explosive consisting chiefly of fused picric acid 2. a dense black variety of chert, formerly used as a touchstone Word origin C19: (sense 1) named after Lydd, a town in Kent near which the first tests were made |
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