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expansion

  • noun
  • ex·pan·sion
  • /ɪkˈspænʃən/

An act, process, or instance of expanding.

Example

“The expansion of metals and plastics in response to heat is well understood.”

Other meanings

  1. The fractional change in unit length per unit length per unit temperature change.

  2. A new addition.

Related words

  • expansionism
  • Taylor expansion
  • alloexpansion
  • antiexpansion
  • coexpansion
  • compansion
  • expansin
  • expansional
  • expansionary
  • expansionist
  • expansionless
  • hyperexpansion

Word history

From Latin "expānsiō".

Where this comes from

This definition is adapted from “expansion” on Wiktionary, by its contributors, published under CC BY-SA 4.0. This page is published under the same licence.