Found 2 items, similar to realgar.
English → English (WordNet)
Definition: realgar
realgar
n : a rare soft orange mineral consisting of arsenic sulphide;
an important ore of arsenic
English → English (gcide)
Definition: Realgar
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]