STRONTIUM

strontium, Sr, atomic number

(noun) a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite

Source: WordNet® 3.1


Etymology

Noun

strontium (usually uncountable, plural strontiums)

The metallic chemical element (symbol Sr) with an atomic number of 38. It is a soft, reactive, silvery alkaline earth metal.

(countable) A single atom of this element.

Anagrams

• trimounts

Source: Wiktionary


Stron"ti*um, n. Etym: [NL. See Strontia.] (Chem.)

Definition: A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as in the nitrate) to color pyrotechnic flames red. Symbol Sr. Atomic weight 87.3. A radioactive isotope of strontium produced by certain nuclear reactions, and constituting one of the prominent harmful components of radioactive fallout from nuclear explosions; also called radiostrontium. It has a half-life of 28 years.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

21 April 2025

ENCYCLOPEDIA

(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty


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Coffee Trivia

Some 16th-century Italian clergymen tried to ban coffee because they believed it to be “satanic.” However, Pope Clement VII loved coffee so much that he lifted the ban and had coffee baptized in 1600.

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