From Wiktionary, the free dictionary
From penta- + -mer.
pentamer (plural pentamers)
- An oligomer having five subunits.
- Hypernyms: oligomer; molecule; compound
- Hyponyms: heteropentamer, homopentamer
- Coordinate terms: monomer, dimer, trimer, tetramer, hexamer, heptamer, septamer, octamer, nonamer, decamer; polymer