- a radioactive element not found in nature but discovered in 1944 among the products of plutonium after bombardment by high-energy helium ions. Symbol: Cm; atomic number: 96.
Origin of curium
Examples from the Web for curium
Historical Examples of curium
In fig. 180 the statue of this goddess is shown, which he says was found by himself in 1884 at Curium.The Swastika
The most splendid of all the Cyprian vases was found at Curium, and has been already represented in this volume.
Some candlesticks found in the Treasury of Curium,878 and a tripod from the same place, seem to deserve a short notice.
The natives of Curium made it a rule to destroy all such, under an appearance of a religious rite.
"Conduct them here, Matten," he commanded, and took up his station beside an hundred-branched candlestick made in Curium.Romance Island
- a silvery-white metallic transuranic element artificially produced from plutonium. Symbol: Cm; atomic no: 96; half-life of most stable isotope, 247 Cm: 1.6 x 10 7 years; valency: 3 and 4; relative density: 13.51 (calculated); melting pt: 1345±400°C
Word Origin for curium
Word Origin and History for curium
1946, named by U.S. chemist Glenn T. Seaborg, who helped discover it in 1944, for the Curies (see Curie).
- A metallic synthetic radioactive transuranic element whose longest-lived isotope is Cm 247, with a half-life of 16.4 million years. Atomic number 96.
- 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.