noun. a red-orange salt used as a mordant.
noun. ['daɪˈkroʊˌmeɪt, ˈdaɪkroʊˌmeɪt'] a salt of the hypothetical dichromic acid.
noun. ['ˈsoʊdiːəm'] a silvery soft waxy metallic element of the alkali metal group; occurs abundantly in natural compounds (especially in salt water); burns with a yellow flame and reacts violently in water; occurs in sea water and in the mineral halite (rock salt).