Related Clues:

• The least little bit
• One is depicted in the Emmy statuette
• Little itty bit
• Meager amount
• Wee bit of physics
• It can be viewed with a scanning tunneling microscope
• Bit that can be split
• Molecule portion
• A smidgen
• A tiny amount
• It's not much
• Letter to Socrates written up in patois
• One of trillions in a single human body
• Physics class topic
• Thing that might decay