expansivity [ek-span-siv-i-tee] WORD ORIGIN noun the quality or state of being expansive; expansiveness. Physics. coefficient of expansion. Liberaldictionary.com
Origin of expansivity First recorded in 1830–40; expansive + -ity Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for expansivity expansivity noun the quality of being expansive another name for coefficient of expansion Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012