from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Thriving at relatively low temperatures. Used of organisms such as bacteria and fungi.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Capable of living at relatively low temperature; used especially of certain bacteria.
from The Century Dictionary and Cyclopedia
- Having a liking for a low temperature: applied to a group of bacteria whose optimum temperature of growth lies between 15° and 20° C. See bacterium.
psychro- + -philic (Wiktionary)