tetramer

[te-truh-mer] /ˈtɛ trə mər/
noun
1.
a molecule composed of four identical, simpler molecules.
2.
a polymer derived from four identical monomers.
Compare oligomer.
Origin
1905-10; tetra- + -mer
tetramer in Medicine

tetramer tet·ra·mer (tět'rə-mər)
n.
A polymer consisting of four identical monomers.

tet'ra·mer'ic (-měr'ĭk) adj.