Толковый словарь английского языка - cobalt
Cobalt
cobalt
noun Etymology: German Kobalt, alteration of Kobold, literally, goblin, from Middle High German kobolt; from its occurrence in silver ore, believed to be due to goblins Date: 1683 a tough lustrous silver-white magnetic metallic element that is related to and occurs with iron and nickel and is used especially in alloys, ~ blue 2
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1.
n. Chem. a silvery-white magnetic metallic element occurring naturally as a mineral in combination with sulphur and arsenic, and used in many alloys. Usage Symb.: Co. Phrases and idioms cobalt blue 1 a pigment containing a cobalt salt. 2 the deep-blue colour of this. Derivatives cobaltic adj. cobaltous adj. Etymology: G Kobalt etc., prob. = KOBOLD in mines ...Толковый словарь английского языка Oxford English Reference
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