Strontium Definition

strŏnchē-əm, -tē-əm, -shəm
A pale-yellow, metallic chemical element, one of the alkaline-earth metals, resembling calcium in properties and found only in combination: strontium compounds burn with a red flame and are used in fireworks: symbol, Sr; at. no. 38: a deadly radioactive isotope (strontium-90) is present in the fallout of nuclear explosions.
Webster's New World
The strontium isotope with mass 90, having a half-life of 28 years, used for its high-energy beta emission in certain nuclear electric power sources and constituting a radiation hazard in fallout.
American Heritage
  • atomic number 38
  • sr

Origin of Strontium

  • Named in a pseudo-Latin manner for the name of the Scottish town Strontian. The place name is from Scottish Gaelic Sròn an t- Sithein, "nose of fairy hill," said to be inhabited by the mythological sídhe.

    From Wiktionary

  • From New Latin strontia strontium oxide from English strontian strontianite

    From American Heritage Dictionary of the English Language, 5th Edition

Find Similar Words

Find similar words to strontium using the buttons below.

Words Starting With

Words Ending With