According to WorldAtlas, Canada is the only non-European country to make its top ten list of coffee consumers. The United States at a distant 25 on the list.
radon, Rn, atomic number
(noun) a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health
Source: WordNet® 3.1
Contraction of radium emanation, since the element appears in the radioactive decay of radium.
radon (uncountable)
The chemical element (symbol Rn, formerly Ro) with atomic number 86. It is an odorless, colorless, chemically inert but radioactive noble gas.
The most stable isotope of this element, 22286Rn.
• emanation (obsolete) (definition 1)
• exradio (archaic) (definition 2)
• niton (obsolete) (definition 1)
• Ardon, Daron, Doran, Drona, NORAD, Nador, Nardo, Ronda, adorn, and/or, andro, andro-, norad, rando
Source: Wiktionary
29 May 2025
(adjective) characterized by careful evaluation and judgment; “a critical reading”; “a critical dissertation”; “a critical analysis of Melville’s writings”
According to WorldAtlas, Canada is the only non-European country to make its top ten list of coffee consumers. The United States at a distant 25 on the list.