n. waste or impure matter; worthless, commonplace, or trivial matter
Many methods have been devised to separate the valuable metal from the dross.
Sentence in Classic:
How they will rage and fume to think that they have lost the bliss of heaven for the dross of earth, for a few pieces of metal, for vain honours, for bodily comforts, for a tingling of the nerves.
A Portrait of the Artist as a Young Man By James Joyce Context
The words that are left to us are not without interest, and, cleared of evident dross, they conceal much of real poetry and meaning beneath conventional theology and unmeaning rhapsody.
The Souls of Black Folk By W. E. B. Du Bois Context