Thesaurus: cobaltous

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Definitions

1. a. Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence.
2. Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence. Cobaltous chloride, a crystalline compound, CoCl2, of a pale rose color when hydrous, blue when dehydrated. Its solution is used for a sympathetic ink, the writing being nearly colorless when dried in the air, owing to absorbed moisture, and becoming bright blue when warmed.
3. Pertaining to, derived from, or containing, cobalt; -- saidesp. of cobalt compounds in which the metal has its lower valence.Cobaltous chloride, a crystalline compound, CoCl2, of a pale rosecolor when hydrous, blue when dehydrated. Its solution is used for asympathetic ink, the writing being nearly colorless when dried in theair, owing to absorbed moisture, and becoming bright blue whenwarmed.
4. a. Pertaining to, derived from, or containing, cobalt; -- said esp. of cobalt compounds in which the metal has its lower valence.