Related Clues:

• A revolution of 29-Down
• Tiny opening?
• Mighty small
• T-shirt size
• Bit modifier
• Infinitesimal
• See 9-Across
• Batting glove size
• Seldom
• Like a mite
• Not great
• Word with talk or time
• Knee-high to a grasshopper
• Very small
• Part of rpm