1. of or relating to the combined effects of the moon and tides, or to the interval between successive lunar transits and tidal cycles
Usage: technical; chiefly nautical and oceanographic

Examples

• The lunitidal interval is used by oceanographers to predict tidal patterns.
• Lunitidal cycles influence coastal erosion and sediment transport.
• Mariners study lunitidal data to understand local tidal behavior.
• The lunitidal day is approximately 24 hours and 50 minutes long.