-mer

-mer and mer- (from Greek meros, part) are affixes used in the following words.

Chemistry or biochemistry

• Monomer
• Dimer
• Trimer
• Tetramer
• Pentamer
• Hexamer
• Heptamer
• Octamer
• Nonamer
• Decamer
• Dodecamer
• Oligomer
• Polymer
• Enantiomer
• Heteromer
• Isomer

Biology

• Merosity, a characteristic regarding the flower petals number in plants
• Metamery, a characteristic of segmented animals