9 letters · 17 points in Scrabble
noun an organism that thrives in a relatively acid environment
originEtymology tree Latin acidusbor. French acidebor. English acid Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English -phil English acidophil From acid + -o- + -phil.
Etymology from Wiktionary, CC BY-SA 3.0