rarefaction
Noun
A reduction in the density of a material, especially that of a fluid.
Usage- Countable
- Uncountable
- Related words
- Examples
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More examples (2)
[T]his ſeal'd vial, being broken under water, ſuck'd in a conſiderable quantity of it, whether, becauſe of ſome little rarefaction of the Air included in the ſealing, or becauſe of the infrigidation of that Air by the ſnow, or for both theſe Reaſons, or any other, I ſhall not Now diſpute.
..; but be particular to keep a firm hold over the cork of the bottle, or else the rarefaction will blow the cork out with the force of a shot: and an accident might acrue from fire.
Noun
a decrease in the density of something
- Antonyms
- Examples
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a sound wave causes periodic rarefactions in its medium
Word forms
rarefactions