What is the meaning of upper surface?

noun

  • The side that is uppermost. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). upper surface. Retrieved September 21, 2026, from http://smartdefine.org/upper_surface/definitions/1209367
ChicagoWordNet. 2010. "upper surface" http://smartdefine.org/upper_surface/definitions/1209367 (accessed September 21, 2026).
HarvardWordNet 2010, upper surface, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/upper_surface/definitions/1209367>.
MLAWordNet. "upper surface" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/upper_surface/definitions/1209367>