selenium

名词 n.
中文释义
英 /sɪˈliːni.əm/|/səˈliːni.əm/    美 /sɪˈliːni.əm/|/səˈliːni.əm/

英文释义

名词 n.
  1. A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor. uncountable,usually
    — Pluck almost any cell from your body and it will have a million or more selenium atoms in it.
  2. An atom of this element. uncountable,usually

词形变化

seleniums plural

词汇关系

衍生词
diselenium hydroselenic acid metallic selenium nonselenium organoselenium radioselenium selane selen- selenate seleniate selenic acid selenide seleniferous selenio- seleno- selenious selenious acid selenite selenium cell selenium dioxide selenium eye selenium hexafluoride selenium hydride selenium oxide selenium sulfide selenium sulphide selenium yeast seleniuret seleniuretted selenol selenous selenyl selone

词源

From French sélénium, the name coined by Swedish chemist Jöns Jacob Berzelius in 1818 from Ancient Greek σελήνη (selḗnē, “moon”) in reference to original confusion with the similar element tellurium.
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