Definition of virial coefficient
: one of the coefficients in a series of terms involving inverse powers of specific volume whose sum represents the product of specific volume by pressure for a pure gas useful form of the equation of state of a real gas is pv = A + B/v + C/v2 + …, where A, B, C, etc. are functions of the temperature and are called the virial coefficients — F. W. Sears
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up virial coefficient? Please tell us where you read or heard it (including the quote, if possible).