| Answer | Crossword Clue |
|---|---|
| oxyphilic | thriving in an acid environment |
| acidophilic | easily stained by acid dyes; thriving in acid environment |
| oxyphile | an organism that thrives on an acid environment, also OXYPHIL |
| oxyphil | an organism that thrives on an acid environment, also OXYPHILE |
| oxyphiles | OXYPHILE, an organism that thrives on an acid environment, also OXYPHIL |
| oxyphils | OXYPHIL, an organism that thrives on an acid environment, also OXYPHILE |
