copolymer
(KOH-pah-lih-mer)
A molecule made up of two or more different kinds of small molecules called monomers. The monomers are joined together in a repeating pattern.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.