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expansivity

[ek-span-siv-i-tee]
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noun
  1. the quality or state of being expansive; expansiveness.
  2. Physics. coefficient of expansion.
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Origin of expansivity

First recorded in 1830–40; expansive + -ity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for expansivity

expansivity

noun
  1. the quality of being expansive
  2. another name for coefficient of expansion
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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