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Selenium   Listen
noun
Selenium  n.  (Chem.) A nonmetallic element of the sulphur group of atomic number 34, analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark metallic-looking substance. It exhibits under the action of light a remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.96.






Collaborative International Dictionary of English 0.48








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"Selenium" Quotes from Famous Books



... long as man adds the products of his ingenuity to our food and drink, so long will "accidents,'' like the Manchester poisoning, from time to time recur. We now search for arsenic; some other time it is lead, or antimony, or selenium, that will do the mischief. Man does what he can according to his light, but he sees but a little patch of the sky of knowledge, while the plant or the animal building up its body from the plant has learned by inheritance ...
— Project Gutenberg Encyclopedia



Words linked to "Selenium" :   chemical element, iron pyrite, fool's gold, selenium cell, atomic number 34, se



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