Definition of free water
: water that is free: a : water that will settle from oil rapidly b : water in ore analysis that is not in chemical combination with mineral matter c : ground water free to move in response to gravity —called also gravitational water
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 free water? Please tell us where you read or heard it (including the quote, if possible).