Related Clues:

• Theta-kappa separator
• Tiny amount
• Drill attachment
• Apothecaries unit
• Tiny Greek letter?
• Marginally
• Small Greek letter
• The Greek letter i
• Greek letter of little value
• Tiny piece
• Boring-piece of a drill
• The boring-piece of a drill
• The smallest possible amount
• Wild cat or light weight
• One-sixteenth of a pound