[ kyoor-ee-uhm ]

  1. 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

1946; <New Latin; named after M. and P. Curie; see -ium

Words Nearby curium Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use curium in a sentence

  • Cum autem bellum renovaturus putaretur, Manium curium iterum consulem fieri placuit.

    Selections from Viri Romae | Charles Franois L'Homond
  • 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 | Zona Gale
  • In fig. 180 the statue of this goddess is shown, which he says was found by himself in 1884 at curium.

    The Swastika | Thomas Wilson
  • The most splendid of all the Cyprian vases was found at curium, and has been already represented in this volume.

    History of Phoenicia | George Rawlinson

British Dictionary definitions for curium


/ (ˈkjʊərɪəm) /

  1. 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

Origin of curium

C20: New Latin, named after Pierre and Marie Curie

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for curium


[ kyurē-əm ]

  1. 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.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.