Definify.com
Webster 1913 Edition
Selenium
Se-le′ni-um
,Noun.
[NL., from Gr.
σελήνη
the moon. So called because of its chemical analogy to tellurium
(from L. tellus
the earth), being, as it were, a companion to it.] (Chem.)
A nonmetallic element of the sulphur group of atomic number 34, analogous to sulphur in its compounds. It is found in small quantities with sulphur and some sulphur ores, and obtained in the free state as a dark reddish powder or crystalline mass, or as a dark metallic-looking substance. It exhibits under the action of light a remarkable variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.96.
Webster 1828 Edition
Selenium
SELE'NIUM
,Noun.
Definition 2024
Selenium
Selenium
Latin
Proper noun
Sēlēnium m (genitive Sēlēniī); second declension
- A male given name, character in the play Cistellaria of Plautus.
selenium
selenium
English
| Chemical element | |
|---|---|
| Se | Previous: arsenic (As) |
| Next: bromine (Br) | |
Noun
Lua error in Module:links at line 89: attempt to index local 'target' (a number value)
- A nonmetallic chemical element (symbol Se) with an atomic number of 34.
- A single atom of this element.
Derived terms
Derived terms
|
|
Translations
chemical element
|
|
References
- selenium Barthelmy, David (accessed 29 August 2016) Webmineral Mineralogy Database
- selenium mindat.org, Hudson Institute of Mineralogy, accessed 29 August 2016
- ↑ Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988
See also
Afrikaans
| Chemical element | |
|---|---|
| Se | Previous: arseen (As) |
| Next: broom (Br) | |
Noun
Lua error in Module:links at line 89: attempt to index local 'target' (a number value)
Dutch
Pronunciation
- Hyphenation: se‧le‧ni‧um
Etymology
From New Latin selēnium, a word derived by Swedish chemist Berzelius in 1818, from Ancient Greek Σελήνη (Selḗnē, “moon”).[1]
Noun
Lua error in Module:links at line 89: attempt to index local 'target' (a number value)
Synonyms
Latin
Etymology
From Ancient Greek Σελήνη (Selḗnē, “moon”) + -ium.
Pronunciation
- (Classical) IPA(key): /seˈleː.ni.um/, [sɛˈɫeː.ni.ũ]
- (Ecclesiastical) IPA(key): /seˈle.ni.um/, [seˈleː.ni.um]
Noun
Lua error in Module:links at line 89: attempt to index local 'target' (a number value)
Inflection
Second declension.
| Case | Singular | Plural |
|---|---|---|
| nominative | selēnium | selēnia |
| genitive | selēniī | selēniōrum |
| dative | selēniō | selēniīs |
| accusative | selēnium | selēnia |
| ablative | selēniō | selēniīs |
| vocative | selēnium | selēnia |
Malay
| Chemical element | |
|---|---|
| Se | Previous: arsenik (As) |
| Next: bromin (Br) | |
Etymology
From English selenium, from New Latin, from Ancient Greek Σελήνη (Selḗnē).
Pronunciation
- IPA(key): [selɛniom]
- Rhymes: -iom, -jom, -om
Noun
Lua error in Module:links at line 89: attempt to index local 'target' (a number value)
- selenium (chemical element)
- ↑ Chambers Dictionary of Etymology, Robert K. Barnhart (ed.), Chambers, 1988