1. (chemistry) the principle that chemical properties of the elements are periodic functions of their atomic numbers
   - periodic law

Type of: law, law of nature

• water-target
• lifework
• LIFO
• lift
• lift bridge
• lift out
• lift pump
• lift shaft
• lift up
• liftable
• lifted
• lifter
• lifting device
• liftman
• liftoff
• ligament
• ligamentous
• ligamentum teres uteri
• ligan
• ligand
• ligase
• ligate
• ligation
• ligature
• liger