selenium

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.[1]

• (UK, US) enPR: sĭlēn'ēəm, sĭlēn'ēəm, IPA^(key): /sɪˈliː.ni.əm/, /səˈliː.ni.əm/

selenium (usually uncountable, plural seleniums)

1. A nonmetallic chemical element (symbol Se) with an atomic number of 34.
2. A single atom of this element.

• chalcogen

• “Selenium” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
• “selenium”, in Mindat.org‎, Hudson Institute of Mineralogy, accessed 29 August 2016.

• selenium on Wikipedia.Wikipedia

• Melusine, emulsine, semilune, seminule

selenium (uncountable)

1. selenium

From New Latin selēnium, a word derived by Swedish chemist Berzelius in 1818, from Ancient Greek Σελήνη (Selḗnē, “moon”).[1]

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• Hyphenation: se‧le‧ni‧um

selenium n (uncountable)

1. selenium

• seleen

From Ancient Greek Σελήνη (Selḗnē, “moon”) + -ium.

• (Classical) IPA^(key): /seˈleː.ni.um/, [sɛˈɫeː.ni.ũː]
• (Ecclesiastical) IPA^(key): /seˈle.ni.um/, [seˈleː.ni.um]

selēnium n (genitive selēniī); second declension

1. (New Latin) selenium

Second declension.

From English selenium, from New Latin, from Ancient Greek Σελήνη (Selḗnē).

• IPA^(key): [selɛniom]
• Rhymes: -iom, -jom, -om

selenium

1. selenium (chemical element)