What is the meaning of rb?

noun

  • A soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). rb. Retrieved September 22, 2026, from http://smartdefine.org/rb/definitions/1305622
ChicagoWordNet. 2010. "rb" http://smartdefine.org/rb/definitions/1305622 (accessed September 22, 2026).
HarvardWordNet 2010, rb, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/rb/definitions/1305622>.
MLAWordNet. "rb" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/rb/definitions/1305622>
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