0 Old HSK word(s):
山丹丹* *

Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

山 mountain, hill, peak
丹 cinnabar (native HgS) / vermilion (artificial HgS used as pigment)
丹 cinnabar (native HgS) / vermilion (artificial HgS used as pigment)

Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual