re·al·gar 
(rē-ălgär′, -gər)
(rē-ălgär′, -gər)n.
A soft orange-red arsenic ore, As2S2, used in pyrotechnics and tanning and as a pigment.
[Middle English, from Medieval Latin, from Catalan, from Arabic rahj al-ġār, powder (of) the mine or cave : rahj, powder + al-, the + ġār, cave; see ġrr in the Appendix of Semitic roots.]
- white-tie
- white trash
- white vitriol
- White Volta
- whitewall tire
- white walnut
- whitewash
- whitewasher
- whitewater
- white whale
- white whole wheat flour
- white whole-wheat flour
- white-winged dove
- whitewood
- whitey
- white zinfandel
- whither
- whithersoever
- whiting
- whiting
- whitish
- whitleather
- whitlow
- Whitman
- Whitman