There are four varieties of commercially viable coffee: Arabica, Liberica, Excelsa, and Robusta. Growers predominantly plant the Arabica species. Although less popular, Robusta tastes slightly more bitter and contains more caffeine.
RADON
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
Etymology
Contraction of radium emanation, since the element appears in the radioactive decay of radium.
Noun
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.
Synonyms
• emanation (obsolete) (definition 1)
• exradio (archaic) (definition 2)
• niton (obsolete) (definition 1)
Anagrams
• Ardon, Daron, Doran, Drona, NORAD, Nador, Nardo, Ronda, adorn, and/or, andro, andro-, norad, rando
Source: Wiktionary
Recent Word Finds
Word of the Day
7 May 2025
RUNNER
(noun) a person who is employed to deliver messages or documents; “he sent a runner over with the contract”
Coffee Trivia
