cu·ri·um (ky r  - m)n. Symbol Cm A silvery metallic synthetic radioactive transuranic element. Its longest lived isotope is Cm 247 with a half-life of 16.4 million years. Atomic number 96; melting point (estimated) 1,350°C; valence 3. See Table at element. [After Marie Curie and Pierre Curie.] |
curium [kew-ree-um]
Noun
Chem a silvery-white metallic radioactive element artificially produced from plutonium Symbol: Cm[after Pierre & Marie Curie, French physicists]
| curium (kyr-m) Symbol Cm A synthetic, silvery-white, radioactive metallic element of the actinide series that is produced artificially from plutonium or americium. Curium isotopes are used to provide electricity for satellites and space probes. Its most stable isotope has a half-life of 16.4 million years. Atomic number 96; melting point (estimated) 1,350°C; valence 3. See Periodic Table. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | curium - a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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