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n. 1. A vivid red to reddish orange. Also called Chinese red, cinnabar. 2. See mercuric sulfide. adj. Of a vivid red to reddish orange. tr.v. ver·mil·ioned, ver·mil·ion·ing, ver·mil·ions also ver·mil·lioned or ver·mil·lion·ing or ver·mil·lions To color or dye (something) in the hue vermilion. |
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