In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.
hafnium, Hf, atomic number
(noun) a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Source: WordNet® 3.1
hafnium (uncountable)
A chemical element (symbol Hf) with an atomic number of 72: a lustrous, silvery-grey tetravalent transition metal.
• celtium (former name)
Source: Wiktionary
24 January 2025
(noun) a state of agitation or turbulent change or development; “the political ferment produced new leadership”; “social unrest”
In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.