| 单词 | cobalt bloom |
| 释义 | cobalt /kōˈbolt/noun
Of this deep-blue colour ORIGIN: Ger Kobalt, from Kobold a demon, a nickname given by the German miners, because they supposed it to be a mischievous and hurtful metal cobaltˈic adjective cobaltifˈerous adjective Containing cobalt cōˈbaltite noun A mineral containing cobalt, arsenic, and sulphur (also cobalt glance) cobalt bloom noun Erythrite cobalt bomb noun A suggested bomb consisting of a hydrogen bomb encased in cobalt, with increased destructive qualities resulting from the cobalt-60 dust released cobalt-60 noun A radioactive isotope of cobalt used as a source of gamma rays, eg in radiotherapy |
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