Webster's Online Dictionary
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Definition: COBALTOUS CHLORIDE

Part of Speech Definition
Expression 1. 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.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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Definition: COBALTOUS CHLORIDE

Part of SpeechDefinition
Expression1. 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.[Websters].

Source: Webster's Revised Unabridged Dictionary (1913)

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