Related Clues:

• Quick - don't eat
• Quick - abstain from food
• Relating to basic particles
• Lent, perhaps
• Abstain from eating
• Sort of energy or number
• Sort of bomb, number, or power
• Rapid — diet
• Moving rapidly
• Describing tiny particles
• Wee Thomas is in first class with Charlie on the radio
• Very small volume accompanying N-Z I see announced
• Digital's precursor
• Like old recorded music
• Extremely minute