You searched for: “acidophils
acidophil, acidophile (s) (noun): acidophils; acidophiles (pl)
1. A living thing that grows well in a highly acid or sour media: Some bacteria are acidophils and can be single-celled or noncellular organisms not requiring chlorophyll.
2. A substance or tissue that can discolor easily with an acid dye: Acidophils can be alpha cells in the anterior pituitary that can stain readily with acidic dyes.