What is the meaning of fr?

noun

  • A radioactive element of the alkali-metal group discovered as a disintegration product of actinium.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). fr. Retrieved September 20, 2026, from http://smartdefine.org/fr/definitions/1277087
ChicagoWordNet. 2010. "fr" http://smartdefine.org/fr/definitions/1277087 (accessed September 20, 2026).
HarvardWordNet 2010, fr, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/fr/definitions/1277087>.
MLAWordNet. "fr" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/fr/definitions/1277087>
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