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ununoctium

American  
[uhn-uhn-ahk-tee-uhm, oon-uhn-] / ˌʌn ʌnˈɑk ti əm, ˌun ʌn- /

noun

  1. oganesson.

ununoctium Scientific  
/ ə-nŭn′ŏk′tē-əm /

  1. See element 118

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.