What is the meaning of actinide?

noun

  • Any of a series of radioactive elements with atomic numbers 89 through 103.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). actinide. Retrieved September 21, 2026, from http://smartdefine.org/actinide/definitions/1254685
ChicagoWordNet. 2010. "actinide" http://smartdefine.org/actinide/definitions/1254685 (accessed September 21, 2026).
HarvardWordNet 2010, actinide, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/actinide/definitions/1254685>.
MLAWordNet. "actinide" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/actinide/definitions/1254685>