Selenium

Definition of Selenium

Se`le´ni`um
n.1.(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.

Related Words

antioxidant, atomic number 34, chemical element, element, fool's gold, iron pyrite, pyrite, Se
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Seldomness
Seldseen
Seldshewn
Select
Select vestry
Selectedly
Selection
Selective
Selectman
Selectness
Selector
Selenate
Selenhydric
Selenic
Selenide
Seleniferous
Selenio-
Selenious
Selenite
Selenitic
-Selenium-
Seleniuret
Seleniureted
Selenocentric
Selenograph
Selenographer
Selenographic
Selenographic chart
Selenographist
Selenography
Selenology
Selenonium
Self
Self-abased
Self-abasement
Self-abasing
Self-abhorrence
Self-abnegation
Self-abuse
Self-accused
Self-acting
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