โCoffee, the favorite drink of the civilized world.โ โ Thomas Jefferson, third president of the United States
roentgenium, Rg, element, atomic number
(noun) a radioactive transuranic element
Source: WordNet® 3.1
roentgenium (uncountable)
A transuranic chemical element (symbol Rg) with atomic number 111.
• eka-gold (used before the element was discovered)
• unununium (used before the element was officially named)
Source: Wiktionary
29 April 2024
(noun) a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate
โCoffee, the favorite drink of the civilized world.โ โ Thomas Jefferson, third president of the United States