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selenium

  • noun
  • sĭlēn'''′'''ēəm

A nonmetallic chemical element (symbol Se) with an atomic number of 34, used mainly in glassmaking and pigments and as a semiconductor.

Other meanings

  1. An atom of this element.

A kind of

  • chemical element
  • antioxidant

Related words

  • diselenium
  • nonselenium
  • organoselenium
  • radioselenium
  • selenious
  • seleniuret
  • selenol
  • selone
  • selenium hexafluoride
  • selenium yeast
  • hydroselenic acid
  • metallic selenium

Word history

From Ancient Greek "σελήνη" (moon).

Where this comes from

This definition is adapted from “selenium” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.