New Latin, from unnil- + quadri- + -ium
1979, in the meaning defined above
unnilpentium
unnilquadium
unnoble
“Unnilquadium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unnilquadium. Accessed 28 Nov. 2024.
Britannica.com: Encyclopedia article about unnilquadium
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