Related Clues:

• Part of binary code
• Beetle Bailey's pal
• The low point
• Low number
• It means nothing
• Abysmal grade
• Bench warmer?
• Freezing point of water, in Celsius
• Blank tile value, in Scrabble
• Astrological point
• Half of an inning
• Word on a Smashing Pumpkins shirt
• Round figure
• Nonentity
• Celsius ice point