Related Clues:

• Ellipses
• Many ice rinks, shapewise
• Zeros, essentially
• Googol’s hundred
• Outlines of eggs
• Lots of nothing
• ''Nothing'' numbers
• Cricket fields, e.g
• Zeros' shapes
• Digits in binary code
• Some bread roll shapes
• ''Squashed circle'' shapes
• Some bindi shapes
• Ellipses' look-alikes
• Skating rink shapes