Clue: Acid indicator

Answer: LITMUS

Length: 6

---

Similar Clues:

• Fruit-derived acid (SORBIC with 6 letters)
• Acid type (e.g. AMINO with 5 letters)
• Salicylic acid target (WART with 4 letters)
• Construction zone indicator (CONE with 4 letters)
• Ratio indicators (COLONS with 6 letters)
• Tire-pressure indicator (GAUGE with 5 letters)
• Green-light indicator (NOD with 3 letters)
• Of an acid group (AMIDO with 5 letters)
• Source of sulfuric acid (PYRITE with 6 letters)
• Like the acid in dressings (ACETIC with 6 letters)