Webster dictionary was developed by Noah Webster in the beginning of 19th century. On this website, you can find definition for Ceruleum from the 1913 edition of Webster's Revised Unabridged Dictionary. Define Ceruleum using one of the most comprehensive free online dictionaries on the web.

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Ceruleum
Part of Speech: noun
Results: 1
1. A greenish blue pigment prepared in various ways, consisting essentially of cobalt stannate. Unlike other cobalt blues, it does not change color by gaslight.
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