ethiops : Idioms & Phrases
Ethiops martial
(Old Chem.) , black oxide of iron.
Webster 1913
Ethiops mineral
(Old Chem.) , black sulphide of mercury, obtained by triturating mercury with sulphur.
Webster 1913
Ethiops per se
(Old Chem.) , mercury in finely divided state, having the appearance of a dark powder, obtained by shaking it up or by exposure to the air.
