Definition of rarefaction

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  • rarefaction is a valid Scrabble US word with a point value of 16
  • rarefaction is a valid Scrabble UK word with a point value of 16
  • rarefaction is a valid Words with friends word with a point value of 18

Definition of rarefaction

  • a decrease in the density of something (noun)

    Examples

    1. a sound wave causes periodic rarefactions in its medium

See definition of rarefaction in Merriam Webster