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

• Choriotis
• Choriotis australis
• chorister
• Chorizagrotis
• Chorizagrotis auxiliaris
• Chorizema
• chorizo
• chorography
• choroid
• choroid coat
• choroid plexus
• choroid vein
• choroidal artery
• choropleth map
• chortle
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• chorus girl
• chorus line
• chosen
• chosen people
• chou
• Chou dynasty
• Chou En-lai
• chough