Meanings
- dateduncountableThe systematic element name for the chemical element with atomic number 115 (symbol Uup). The element is now named moscovium.
1 more example
“The chemistry community is eager to see its most cherished table finally being completed down to the seventh row. IUPAC has now initiated the process of formalizing names and symbols for these elements temporarily named as ununtrium, (Uut or element 113), ununpentium (Uup, element 115), ununseptium (Uus, element 117), and ununoctium (Uuo, element 118)” said Professor Jan Reedijk, President of the Inorganic Chemistry Division of IUPAC.
2015 December 30, “Discovery and Assignment of Elements with Atomic Numbers 113, 115, 117 and 118”, in IUPACSynonyms: eka-bismuth, moscovium, Uup, Mc
Synonyms & antonyms
nounThe systematic element name for the chemical element with atomic number 115 (symbol Uup). The element is now named moscovium.
More synonyms by meaning
nouna radioactive transuranic element, with atomic number 115
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Systematic element name, from un- + un- + pent- + -ium.
Full word history & related roots →Translations
Arabic أُنُون بِينْتِيُوم
- أُنُون بِينْتِيُوم (ʔunun bintiyum)chemical element
Catalan ununpenti
- ununpentichemical element
Dutch ununpentium
- ununpentiumchemical element
Esperanto ununpentio
- ununpentiochemical element
Estonian ununpentium
- ununpentiumchemical element
Finnish ununpentium
- ununpentiumchemical element
French ununpentium
- ununpentiumchemical element
German Ununpentium
- Ununpentiumchemical element
Greek ουνουνπέντιο
- ουνουνπέντιο (ounounpéntio)chemical element
Hungarian ununpentium
- ununpentiumchemical element
Italian ununpentio
- ununpentiochemical element
Korean 우눈펜튬
- 우눈펜튬 (ununpentyum)chemical element
Latvian ununpentijs
- ununpentijschemical element
Malay ununpentium
- ununpentiumchemical element
Norwegian ununpentium
- ununpentiumchemical element
Polish ununpentium
- ununpentiumchemical element
Portuguese ununpêntio
- ununpêntiochemical element
Romanian ununpentiu
- ununpentiuchemical element
Russian унунпе́нтий
- унунпе́нтий (ununpéntij)chemical element
Spanish ununpentio
- ununpentiochemical element
Swedish ununpentium
- ununpentiumchemical element
Thai อูนอูนเพนเทียม
- อูนอูนเพนเทียม (ūnūnpentiam)chemical element
Ukrainian унунпе́нтій
- унунпе́нтій (ununpéntij)chemical element
Cite this entry
ununpentium. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ununpentium
“ununpentium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ununpentium. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “ununpentium,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ununpentium.
Source: ununpentium on Wiktionary, CC BY-SA 4.0.