Thesaurus: strontium

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1. n. 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.
2. n. 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.
3. n. a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite
4. 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.
5. A metallic element of the calcium group, always naturallyoccurring combined, as in the minerals strontianite, celestite, etc.It is isolated as a yellowish metal, somewhat malleable but harderthan calcium. It is chiefly employed (as in the nitrate) to colorpyrotechnic flames red. Symbol Sr. Atomic weight 87.3. A radioactiveisotope of strontium produced by certain nuclear reactions, andconstituting one of the prominent harmful components of radioactivefallout from nuclear explosions; also called radiostrontium. It has ahalf-life of 28 years.
6. n:100 n. a soft silver-white or yellowish metallic element of the alkali metal group; turns yellow in air; occurs in celestite and strontianite