Related Clues:

• Kind of acid
• Milky
• Milk-related
• Obtained from milk
• Of milk
• From milk
• ___ acid (sour cream component)
• Acid in milk
• The acid in sour milk
• Relating to milk
• The acid in milk
• The acid found in milk
• What a stopped clock does, by the sound of it, in the Milky Way
• Sounds as if the clock has stopped in the Milky Way
• Sounds like how a stopped clock mab be soundless in the Milky Way