[ uh-sid-uh-fil-ik, as-i-duh- ]
/ əˌsɪd əˈfɪl ɪk, ˌæs ɪ də- /


Biology. having an affinity for acid stains; eosinophilic.
Ecology. thriving in or requiring an acid environment.


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Also ac·i·doph·i·lous [as-i-dof-uh-luh s] /ˌæs ɪˈdɒf ə ləs/, oxyphilic.

Origin of acidophilic

First recorded in 1895–1900; acidophil + -ic Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020