0W

0W (zero W) or 0-W may refer to:

• 0W, zero west, or 0°W, coordinate of the prime meridian
• 0W or ZW, or zero width, a non-printing character used in computer typesetting of some complex scripts
  • Zero-width joiner
  • Zero-width non-joiner
  • Zero-width space
  • Zero-width non-breaking space
• Zero waste, an environmental concept

• OW (disambiguation)
• W0 (disambiguation)