scan·di·um (sk n d - m)n. Symbol Sc A silvery-white metallic element found in various rare minerals and separated as a byproduct in the processing of certain uranium ores. An artificially produced radioactive isotope is used as a tracer in studies of oil wells and pipelines. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See Table at element. [From Latin Scandia, Scandinavia.] scan dic (-d k) adj. |
scandium
Noun
Chem a rare silvery-white metallic element Symbol: Sc[Latin Scandia Scandinavia, where discovered]
| scandium (sknd-m) Symbol Sc A soft, silvery, very lightweight metallic element that is found in various rare minerals and is a byproduct in the processing of certain uranium ores. It has a high melting point and is used to make high-intensity lights. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See Periodic Table. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  scandium - a white trivalent metallic element; sometimes classified in the rare earth group; occurs in the Scandinavian mineral thortveititemetal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. thortveitite - a mineral consisting of scandium yttrium silicate; a source of scandium |
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