- black selenium
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Chem.an allotropic form of selenium occurring as a black, amorphous, water-insoluble, light-sensitive powder: used chiefly in photoelectric cells.
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Universalium. 2010.
black selenium
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black selenium — Chem. an allotropic form of selenium occurring as a black, amorphous, water insoluble, light sensitive powder: used chiefly in photoelectric cells … Useful english dictionary
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