from the GNU version of the Collaborative International Dictionary of English
- adj. Pertaining to, or designating, a certain one of the highly oxidized compounds of chromium, which has a deep blue color, and is produced by the action of hydrogen peroxide.
from The Century Dictionary and Cyclopedia
- Noting an acid, a substance known only in solution, produced by the interaction of chromic acid and hydrogen dioxid. It is very unstable, of an intense blue color, and probably has the composition H2Cr2O8, analogous to that of persulphuric acid.
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