| English Dictionary |
RAREFACTION
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Dictionary entry overview: What does rarefaction mean?
• RAREFACTION (noun)
The noun RAREFACTION has 1 sense:
1. a decrease in the density of something
Familiarity information: RAREFACTION used as a noun is very rare.
Dictionary entry details
Sense 1
Meaning:
A decrease in the density of something
Classified under:
Nouns denoting natural events
Context example:
a sound wave causes periodic rarefactions in its medium
Hypernyms ("rarefaction" is a kind of...):
concentration (increase in density)
Derivation:
rarefy (weaken the consistency of (a chemical substance))
rarefy (lessen the density or solidity of)
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