What is the meaning of black lead?

noun

  • Used as a lubricant and as a moderator in nuclear reactors.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). black lead. Retrieved September 21, 2026, from http://smartdefine.org/black_lead/definitions/1260598
ChicagoWordNet. 2010. "black lead" http://smartdefine.org/black_lead/definitions/1260598 (accessed September 21, 2026).
HarvardWordNet 2010, black lead, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/black_lead/definitions/1260598>.
MLAWordNet. "black lead" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/black_lead/definitions/1260598>
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