1. one of a series of similar body segments in certain animals, such as earthworms or arthropods
Usage: biology
2. a chemical compound that has the same molecular formula as another compound but differs in the arrangement of atoms
Usage: chemistry

Examples

• Each metamer of the earthworm contains similar organs and structures.
• The segmented body of an insect consists of multiple metamers.
• Biologists study how metamers develop during embryonic growth.
• These two compounds are metamers with identical molecular formulas.
• The chemist identified several metamers of the same organic molecule.
• Metamers can have very different physical and chemical properties.
• The lobster’s abdomen is composed of six distinct metamers.