polonium, Po, atomic number
(noun) a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
Source: WordNet® 3.1
polonium (usually uncountable, plural poloniums)
A rare, highly radioactive chemical element (symbol Po) with atomic number 84.
• chalcogen
Source: Wiktionary
Po*lo"ni*um, n. [NL. So named after Poland, in L. form Polonia, one of the discoverers being a Pole.] (Chem.)
Definition: A supposed new element, a radioactive substance discovered by M. and MMe. Curie in pitchblende. It is closely related chemically to bismuth. It emits only alpha rays and is perhaps identical with radium F.
Source: Webster’s Unabridged Dictionary 1913 Edition
21 June 2025
(noun) the condition of being deprived of oxygen (as by having breathing stopped); “asphyxiation is sometimes used as a form of torture”
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
