selenium

See also: Selenium and sélénium

English

Chemical element
Se
Previous: arsenic (As)
Next: bromine (Br)

Etymology

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.

Pronunciation

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

Noun

selenium (usually uncountable, plural seleniums)

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

Hypernyms

• chalcogen

Derived terms

Derived terms

• hydroselenic acid
• metallic selenium
• selane
• selen-
• selenate
• seleniate
• selenic acid
• selenide
• seleniferous
• selenio-, seleno-
• selenious acid

• selenite
• selenium cell
• selenium dioxide
• selenium eye
• selenium hydride
• selenium oxide
• selenium sulfide, selenium sulphide
• seleniuretted
• seleno-
• selenous
• selenyl

Translations

chemical element

• Afrikaans: seleen (af)
• Albanian: selen
• Arabic: سِلِينْيُوم m (silinyum)
• Armenian: սելեն (hy) (selen)
• Asturian: seleniu m
• Basque: selenioa
• Belarusian: селе́н m (sjeljén)
• Breton: seleniom
• Bulgarian: селе́н (bg) m (selén)
• Catalan: seleni (ca) m
• Chinese:

  Mandarin: 硒 (zh) (xī)

• Cornish: selenyum
• Czech: selen (cs) m
• Danish: selen (da) n
• Dutch: seleen (nl) n, selenium (nl) n
• Esperanto: seleno (eo)
• Estonian: seleen (et)
• Faroese: selen n
• Finnish: seleeni (fi)
• French: sélénium (fr) m
• Friulian: seleni
• Galician: selenio (gl) m
• Georgian: სელენი (seleni)
• German: Selen (de) n
• Greek: σελήνιο (el) n (selínio)
• Hebrew: סלניום (he) (selenyum)
• Hindi: मेचाग्नि (mecāgni)
• Hungarian: szelén (hu)
• Icelandic: selen (is) n
• Interlingua: selenium
• Irish: seiléiniam (ga)
• Italian: selenio (it) m
• Japanese: セレン (ja) (seren)
• Kashubian: selén
• (deprecated template usage) {{trans-mid}}
• Kazakh: селен (kk) (selen)
• Korean: 셀렌 (ko) (sellen), 셀레늄 (sellenyum)
• Latin: selenium (la)
• Latvian: selēns
• Lingala: seleni class 9a/10a
• Lithuanian: selenas (lt)
• Luxembourgish: Selen
• Macedonian: селе́н m (selén)
• Malay: selenium
• Maltese: selenju
• Manx: shellainium
• Mongolian: селен (selen)
• Norwegian: selen (no)
• Occitan: selèni m
• Polish: selen (pl) m
• Portuguese: selénio (pt) m (Portugal), selênio (pt) m (Brazil)
• Romanian: seleniu (ro) n
• Russian: селе́н (ru) m (selén)
• Scottish Gaelic: seilèiniam
• Serbo-Croatian:

  Cyrillic: селен m, селениј m

  Roman: selen (sh) m, selenij (sh) m

• Slovak: selén (sk) m
• Slovene: selen (sl) m
• Spanish: selenio (es) m
• Swedish: selen (sv) n
• Tagalog: selenyo
• Tajik: селен (selen)
• Tamil: செங்கந்தகம் (ceṅkantakam)
• Thai: ซีลีเนียม (sii-lii-nîiam)
• Turkish: selenyum (tr)
• Ukrainian: селе́н m (selén)
• Uzbek: selen (uz)
• Welsh: seleniwm (cy)
• West Frisian: seleen

References

• David Barthelmy (1997–2024) “Selenium”, in Webmineral Mineralogy Database.
• “selenium”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2024.

See also

• selenium on Wikipedia.Wikipedia

Anagrams

• Melusine, emulsine, semilune, seminule

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Afrikaans

Chemical element
Se
Previous: arseen (As)
Next: broom (Br)

Noun

selenium (uncountable)

1. selenium

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Dutch

Etymology

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

Pronunciation

• Audio:

  (file)

• Hyphenation: se‧le‧ni‧um

Noun

selenium n (uncountable)

1. selenium

Synonyms

• seleen

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Latin

Etymology

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

Pronunciation

• (Classical Latin) IPA^(key): /seˈleː.ni.um/, [s̠ɛˈɫ̪eːniʊ̃ˑ]
• (modern Italianate Ecclesiastical) IPA^(key): /seˈle.ni.um/, [seˈlɛːnium]

Noun

selēnium n (genitive selēniī); second declension

1. (New Latin) selenium

Declension

Second-declension noun (neuter).

Case	Singular	Plural
Nominative	selēnium	selēnia
Genitive	selēniī	selēniōrum
Dative	selēniō	selēniīs
Accusative	selēnium	selēnia
Ablative	selēniō	selēniīs
Vocative	selēnium	selēnia

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Malay

Chemical element
Se
Previous: arsenik (As)
Next: bromin (Br)

Etymology

From (deprecated template usage) [etyl] English selenium, from (deprecated template usage) [etyl] New Latin, from (deprecated template usage) [etyl] Ancient Greek Σελήνη (Selḗnē).

Pronunciation

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

Noun

selenium

1. selenium (chemical element)