What is the meaning of ft-l?

noun

  • A former luminance unit equal to one lumen per square foot.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). ft-l. Retrieved September 23, 2026, from http://smartdefine.org/ft-l/definitions/1277552
ChicagoWordNet. 2010. "ft-l" http://smartdefine.org/ft-l/definitions/1277552 (accessed September 23, 2026).
HarvardWordNet 2010, ft-l, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/ft-l/definitions/1277552>.
MLAWordNet. "ft-l" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/ft-l/definitions/1277552>