You searched for: “acidophilic
acidophilic (adjective)
1. A reference to organisms that thrive in an acidic (sharp, pungent, bitter) environment.
2. A designation of a microorganism that grows well in a highly acid medium.
3. A description of any microorganism that can or must live in an acidic environment (pH below 6).
4. Referring to anything that is easily stained with acid dye.