Related Clues:

• Pinch
• Minimal amount
• Element element
• Postage meter unit
• Snaffle or pelham, e.g.
• It was once thought to be indivisible
• Very small serving
• Part of a pound
• Ninth letter in old Athens
• Electron's place
• Buds' function
• Jot or tittle
• Measure of prevention?
• Stand-up shtick
• What's the matter?