WordReference Random House Unabridged Dictionary of American English © 2026
ther•mo•a•cid•o•phile
(thûr′mō ə sid′ə fīl′, -as′i də-),USA pronunciation n.
- Ecology, Microbiologyany organism, esp. a type of archaebacterium, that thrives in strongly acidic environments at high temperatures.
- thermo- + acidophile