- lukewarm; tepid.
- characterized by subnormal body temperature.
- Geology. (of mineral deposits) formed at great depths and high temperatures.
Origin of hypothermal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- Also: hypothermic of, relating to, or characterized by hypothermia
- (of rocks and minerals) formed at great depth under conditions of high temperature