1. the condition of having the body divided into a series of similar segments
Usage: biology
2. the phenomenon where two colors appear identical under one light source but different under another
Usage: color science
3. the existence of chemical compounds with the same molecular formula but different structural arrangements
Usage: chemistry

Examples

• The earthworm’s body shows clear metamerism with its repeating segments.
• Metamerism is evident in arthropods like insects and crustaceans.
• The fabric samples displayed metamerism when viewed under fluorescent versus incandescent lighting.
• Interior designers must consider metamerism when selecting paint colors.
• Organic chemistry students learn about metamerism in hydrocarbon compounds.
• The metamerism of certain molecules explains their different properties despite identical formulas.