noun
: an acid H 2 Cr 2 O 7 known only in solution and especially in the form of its salts (as potassium dichromate) most of which are orange or red
noun
: an acid H 2 Cr 2 O 7 known only in solution and especially in the form of its salts (as potassium dichromate) most of which are orange or red
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012