acid-loving

from WordNet (r) 3.0 (2006)

acid-loving
    adj 1: thriving in a relatively acidic environment (especially
           of plants requiring a pH well below 7) [ant: {alkaline-
           loving}]

from The Collaborative International Dictionary of English v.0.48

acid-loving \acid-loving\ adj.
   1. thriving in a relatively acid environment; -- especially
      of plants requiring a pH well below 7 {alkaline-loving}
      [WordNet 1.5]

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