Related Clues:

• ___ FireBall (hot candy)
• __ energy (nuclear power)
• Kind of bomb or clock
• Like nuclear energy
• Of interest to some physicists
• Minuscule, informally
• -- -weensy
• Kind of clock or bomb
• Quite tiny
• Really really tiny
• Slang for wee
• Word with "energy" or "submarine"
• This energy is nuclear
• Referring to the smallest component
• Relating to minute matter