different between selenium vs heptaselenide

English

Etymology

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

Pronunciation

• (UK, US) enPR: s?l?n'??m, s?l?n'??m, IPA^(key): /s??li?.ni.?m/, /s??li?.ni.?m/
• Rhymes: -i?ni?m

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.

   Hypernym: chalcogen

3. A single atom of this element.

Derived terms

Translations

References

• David Barthelmy (1997–2021) , “Selenium”, in Webmineral Mineralogy Database
• “selenium”, in Mindat.org?^[1], Hudson Institute of Mineralogy, 2000–2021.

See also

• selenium on Wikipedia.Wikipedia

Anagrams

• Melusine, emulsine, semilune, seminule

Afrikaans

Noun

selenium (uncountable)

1. selenium

Czech

Pronunciation

• IPA^(key): [?s?l???um]
• Hyphenation: se?le?nium

Noun

selenium n

1. Alternative form of selen

Declension

Dutch

Etymology

Borrowed from New Latin sel?nium, a word coined by Swedish chemist Berzelius in 1818, from Ancient Greek ?????? (Sel?n?, “moon”).

Pronunciation

• IPA^(key): /s??le?.ni.?m/, /se??le?.ni.?m/
• Hyphenation: se?le?ni?um

Noun

selenium n (uncountable)

1. selenium [from 1818]

   Synonym: seleen

References

Latin

Etymology

From Ancient Greek ?????? (Sel?n?, “moon”) + -ium.

Pronunciation

• (Classical) IPA^(key): /se?le?.ni.um/, [s?????e?ni???]
• (Ecclesiastical) IPA^(key): /se?le.ni.um/, [s??l??nium]

Noun

sel?nium n (genitive sel?ni?); second declension

1. (New Latin) selenium

Declension

Second-declension noun (neuter).

Malay

Etymology

From English selenium, from New Latin, from Ancient Greek ?????? (Sel?n?).

Pronunciation

• IPA^(key): [sel?niom]
• Rhymes: -iom, -jom, -om

Noun

selenium

1. selenium (chemical element)

English

Etymology

hepta- +? selenide

Noun

heptaselenide (plural heptaselenides)

1. (chemistry) any selenide containing seven selenium atoms in each molecule

Derived terms

• rhenium heptaselenide