THALLIUM

thallium, Tl, atomic number

(noun) a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores

Source: WordNet® 3.1


Etymology

Noun

thallium (countable and uncountable, plural thalliums)

A metallic chemical element (symbol Tl) with atomic number 81: a gray post-transition metal that discolors when exposed to air.

A single atom of this element.

Source: Wiktionary


Thal"li*um, n. Etym: [NL., fr. Gr. green line in its spectrum.] (Chem.)

Definition: A rare metallic element of the aluminium group found in some minerals, as certain pyrites, and also in the lead-chamber deposit in the manufacture of sulphuric acid. It is isolated as a heavy, soft, bluish white metal, easily oxidized in moist air, but preserved by keeping under water. Symbol Tl. Atomic weight 203.7.

Source: Webster’s Unabridged Dictionary 1913 Edition



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16 May 2025

AMPHIPROSTYLAR

(adjective) marked by columniation having free columns in porticoes either at both ends or at both sides of a structure


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Coffee Trivia

According to Guinness World Records, the most massive cup of coffee contained 22,739.14 liters and was created by Alcaldía Municipal de Chinchiná (Colombia) at Parque de Bolívar, Chinchiná, Caldas, Colombia, on 15 June 2019. Fifty people worked for more than a month to build this giant cup. The drink prepared was Arabic coffee.

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