'Realgar' definitions:
Definition of 'realgar'
From: WordNet
noun
A rare soft orange mineral consisting of arsenic sulphide; an important ore of arsenic
Definition of 'Realgar'
From: GCIDE
- Realgar \Re*al"gar\ (r[-e]*[a^]l"g[~e]r), n. [F. r['e]algar, Sp. rejalgar, Ar. rahj al gh[=a]r powder of the mine.] (Min.) Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product. [1913 Webster] re-align