realgar

/ree-al-ger, -gahr/US // riˈæl gər, -gɑr //UK // (rɪˈælɡə) //

妗子,妗妗,妗娘

Definitions

n.名词 noun

1
- : arsenic disulfide, As2S2, found in nature as an orange-red mineral and also produced artificially: used in pyrotechnics.

A mounting medium of the highest refractive index, such as realgar, is required to resolve the stri.
Then his wife untied him, carried him to bed, and gave him wine mingled with realgar to drink.
As for the refining of Metals, the Indians are wholly ignorant of it, being content with the Realgar.
Cinnabar, realgar, orpiment and coal form the rest of the mineral products of Kwei-chow.
An alternative to the above process is to hasten the earlier part of the liming by employing sodium sulphide instead of realgar.