Rarefaction
Pronunciation: /ˈɹɛɹˈfækʃən/
Rarefaction (noun)
- A decrease in the number of particles in a gas, making it less dense.
- A part of a sound wave where the air pressure is lower and particles are farther apart.
- A method that estimates how many different species you would find with fewer samples.
Examples
- The rarefaction reduced the gas pressure near the valve.
- When the piston moved, rarefaction thinned the gas inside.