Related Clues:

• Math groups
• Salon stuff
• 6-3, 4-6, 7-6, e.g.
• Hardens
• Steps on a scale?
• See 16-Across
• Color or coloratura variations
• Plants
• Dial sounds
• Sounds
• Softens, with 'down'
• Coagulates
• Puts (down)
• Where movies are made
• TV's