1. Having the characteristics of a triad; as, boron is triadic

Encyclopedia: Triadic

• 24-carat gold
• 24-hour interval
• 24-karat gold
• 24/7
• 24th
• 25
• 25th
• 26
• 26th
• 27
• 27th
• 28
• 28th
• 29
• 29th
• 2d
• 2nd
• 2nd lieutenant
• 3
• 3-D
• 3-dimensional
• 3-hitter
• 3-membered
• 30
• 30 minutes