An anagram is a word formed by rearranging all the letters of another word, using each letter exactly once. These words use every letter from "DSIEOMN":
An orange-red crystalline substance, C15H10O5, obtained from the buckthorn, rhubarb, etc., and regarded as a derivative of anthraquinone; -- so called from a species of rhubarb (Rheum emodei).