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Webster 1913 Edition
Cobaltous
Co-balt′ous
,Adj.
(Chem.)
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.Definition 2024
cobaltous
cobaltous
English
Adjective
cobaltous (comparative more cobaltous, superlative most cobaltous)
- (chemistry) Containing cobalt in oxidation state 2.
Derived terms
- cobaltous chloride
- cobaltous oxide