colcothar
colcothar
Definition
col·co·thar (käl′kō t̸hər, -kə-)
noun
a brownish-red oxide of iron, obtained by heating ferrous sulfate: it is used as a pigment, polishing agent, etc.
Etymology: Sp colcotar < Ar qulqutār < Gr chalkanthos, solution of blue vitriol (copper sulfate) < chalkos, copper + anthos, flower
Browse dictionary entries near colcothar
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- cold
- cold-blooded
- cold call
- cold calling
- cold cash
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- cold duck
