Definition of Rarefaction
the lessening of density in a substance
Examples of Rarefaction in a sentence
The rarefaction of air occurs as it rises higher in the atmosphere, where it loses much of its density.
Rarefaction is the name of the process when a substance begins losing density, such as in the case of sound waves.
The further a sound wave travels, the less dense it becomes, which is an example of the rarefaction process.
You can witness rarefaction at the beach, as a wave loses a great deal of its density as it travels towards the shore.
Rarefaction occurs most often in Earth’s atmosphere, as many gasses become less dense as they travel higher within it.
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