et

seleen

1 substantive

EKI Combined Dictionary 2026

Last modified 19.06.2025

Meanings

looduses hajusalt leiduv hall kristalne mittemetall, keemiline element järjenumbriga 34
Synonyms
  • Se symbol

Translations

Usage examples
  • Mikroelemendid seleen ja germaanium suurendavad südamelihase jõudlust.

Terminological databases

EKI terminibaas Esterm

ID 713826 Last modified 13.10.2015
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Domain inorganic chemistry
seleen
Se
selenium
Se
  • looduses hajusalt leiduv hall kristalne mittemetalne element
  • a metalloid element of group 16 of the (IUPAC) periodic table
seleen
Se symbol
selenium
Good to know
  • There are a number of allotropic forms, including grey, red, and black selenium. It occurs in sulphide ores of other metals and is obtained as a by-product (e.g. from the anode sludge in electrolytic refining). The element is a semiconductor; the grey allotrope is light-sensitive and is used in photocells, xerography, and similar applications.
  • Properties: at.no. 34; r.a.m. 78.96; r.d. 4.79; m.p. 217°C (422.6°F); b.p. 684.9°C (1265°F); most common isotope Se80 (49.82%).
Se symbol
Good to know
  • chemical symbol
sélénium
Selen
seleeni

Koolisõnastikud 2005–2010

ID 600154 Last modified 15.11.2022
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Domain chemistry
  • keemiline element järjenumbriga Z = 34, mille ühendid on väga mürgised; suhteliselt väheaktiivne mittemetall
селен

Loomakasvatuse terminibaas

ID 476655 Last modified 15.11.2022
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  • mikroelement, tugev antioksüdant
Selen
селен

Norra-eesti meditsiinisõnastik

ID 561599 Last modified 11.05.2020
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Domain medicine
  • grunnstoff med atomsymbol Se og atomnummer 34
seleen
selen

Word forms

Inflection Type 22e

seleen seleenid
seleeni seleenide
seleeni seleene ~ seleenisid

Etymology

laensõna
  • seleen Kreeka sõnast selēnē 'Kuu' (telluuri nimetuse eeskujul, mis on tuletatud ladina sõnast tellus 'Maa')
    • Selen 'seleen'
      • selen 'seleen' ( Jöns Jacob Berzelius 1818 )

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