cinnabar; a red mercuric ore

a pill, powder, or small pellet of Chinese medicine; also refers to the elixir of life in Taoist alchemy

loyal; sincere; wholehearted, as in the phrase 丹心 dān​xīn meaning a loyal heart

(bound form) abbreviation for 丹麦 dān​mài, referring to the country of Denmark

(proper noun) a Chinese surname

red; of the color of cinnabar