01 n. A black substance; -- formerly applied to various preparations of a black or very dark color.
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1.
A black substance; -- formerly applied to various preparations of a black or very dark color.(Old Chem.) [Obs.]
Phrases & compounds
Ethiops martial —
black oxide of iron.
Ethiops mineral —
black sulphide of mercury, obtained by triturating mercury with sulphur.
Ethiops per se —
mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air.