rarefaction

noun rar·e·fac·tion \ ˌrer-ə-ˈfak-shən \
Updated on: 15 Nov 2017

Definition of rarefaction

1 : the action or process of rarefying
2 : the quality or state of being rarefied
3 : a state or region of minimum pressure in a medium traversed by compressional waves (such as sound waves)

rarefactional

play \ˌrer-ə-ˈfak-shnəl, -shə-nᵊl\ adjective

Recent Examples of rarefaction from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rarefaction.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of rarefaction

French or Medieval Latin; French raréfaction, from Medieval Latin rarefaction-, rarefactio, from Latin rarefacere to rarefy


Medical Dictionary

rarefaction

noun rar·e·fac·tion \ ˌrar-ə-ˈfak-shən, ˌrer- \

medical Definition of rarefaction

1 : the action or process of rarefying
2 : the quality or state of being rarefied; especially : an increase in porosity
  • areas of rarefaction in the bones
3 : a state or region of minimum pressure in a medium transversed by compressional waves (as sound waves)
  • the eardrum vibrates according to the compressions and rarefactions of the sound wave

rarefactional

play \-shnəl, -shən-ᵊl\ adjective


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