rarefaction

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Related to rarefactions: compressions

rarefaction

 [rar″ĕ-fak´shun]
the condition of being or becoming less dense.

rar·e·fac·tion

(rār'ĕ-fak'shŭn),
1. The process of becoming light or less dense; the condition of being light; opposed to condensation.
2. In vascular physiology, the process that results in a reduction in the density of capillaries in a tissue.
[L. rarus, thin, scanty + facio, to make]

rarefaction

/rar·e·fac·tion/ (rar″ĭ-fak´shun) condition of being or becoming less dense.

rarefaction

[rer′əfak′shən]
reductions of density of a medium at a location in the medium accompanying the cyclic pressure reductions during the passage of a sound wave.

rar·e·fac·tion

(rār'ĕ-fak'shŭn)
1. The process of becoming light or less dense.
2. The condition of being light; opposed to condensation.
[L. rarus, thin, scanty + facio, to make]

rarefaction

expansion; becoming less dense

rarefaction

the condition of being or becoming less dense.