| 释义 |
rarefaction
rar·e·fac·tion R0047500 (râr′ə-făk′shən)n.1. The condition of being rarefied.2. a. A decrease in density and pressure in a medium, such as air, caused by the passage of a sound wave.b. The region in which this occurs.
rar′e·fac′tive adj.rarefaction (ˌrɛərɪˈfækʃən) or rareficationnthe act or process of making less dense or the state of being less dense ˌrareˈfactional, ˌrarefiˈcational, ˌrareˈfactive adjrar•e•fac•tion (ˌrɛər əˈfæk ʃən)
n. 1. the act or process of rarefying. 2. the state of being rarefied. rar`e•fac′tion•al, adj. Thesaurus| Noun | 1. | rarefaction - a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"concentration - increase in density |
Translations
rarefaction
rarefaction[¦rer·ə¦fak·shən] (acoustics) The instantaneous, local reduction in density of a gas resulting from passage of a sound wave, or the region in which the density is reduced at some instant. Also known as rarefraction. rarefaction
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] 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
Words related to rarefactionnoun a decrease in the density of somethingRelated Words |