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Definition of ethiops in US English:
ethiops
(also aethiops)
noun
Chemistryhistorical
Any of certain typically black or dark-coloured substances made by chemical means; a dark residue or precipitate; especially = ethiops mineral.
Origin
Late 17th century; earliest use found in John Pechey (d. 1718). From classical Latin Aethiops inhabitant of Ethiopia, in post-classical Latin also denoting a black substance.
