CAESIUM

cesium, caesium, Cs, atomic number

(noun) a soft silver-white ductile metallic element (liquid at normal temperatures); the most electropositive and alkaline metal

Source: WordNet® 3.1


Etymology

Noun

caesium (uncountable)

The chemical element (symbol Cs) with an atomic number of 55. It is a soft, gold-colored, highly reactive alkali metal.

Anagrams

• aeciums, æciums

Source: Wiktionary


Cæ"si*um, n. Etym: [NL., from L. caesius bluish gray.] (Chem.)

Definition: A rare alkaline metal found in mineral water; -- so called from the two characteristic blue lines in its spectrum. It was the first element discovered by spectrum analysis, and is the most strongly basic and electro-positive substance known. Symbol Cs. Atomic weight 132.6.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

6 May 2025

HEEDLESS

(adjective) marked by or paying little heed or attention; “We have always known that heedless self-interest was bad morals; we know now that it is bad economics”--Franklin D. Roosevelt; “heedless of danger”; “heedless of the child’s crying”


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Coffee Trivia

Brazil is the largest coffee producer in the world. Each year Brazil exports more than 44 million bags of coffee. Vietnam follows at exporting over 27 million bags each year.

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