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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