unnilpentium

noun

un·​nil·​pen·​ti·​um ˌyü-nᵊl-ˈpen-tē-əm How to pronounce unnilpentium (audio)
: dubnium

Word History

Etymology

New Latin, from unnil- + Greek pente five + New Latin -ium — more at five

First Known Use

1979, in the meaning defined above

Time Traveler
The first known use of unnilpentium was in 1979

Browse Nearby Words

unnilhexium
unnilpentium
unnilquadium
See all Nearby Words

Cite this Entry

“Unnilpentium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnilpentium. Accessed 30 Mar. 2025.

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Medical Definition

unnilpentium

noun
un·​nil·​pen·​ti·​um ˌyün-ᵊl-ˈpent-ē-əm How to pronounce unnilpentium (audio)
: dubnium
—symbol Unp

More from Merriam-Webster on unnilpentium

Britannica.com: Encyclopedia article about unnilpentium

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