Definition of protomer in English:

protomer

noun

Chemistry
  • Each of a number of tautomeric molecules which differ from each other only in the position of a proton; a prototropic tautomer.

noun

Biochemistry
  • Each of the protein subunits of which an oligomeric protein is built up.

Origin

1920s; earliest use found in Thomas Lowry (1874–1936), physical chemist. From proto- + -mer<br>1960s. From prot- + -o- + -mer.

Pronunciation

protomer

/ˈprəʊtəmə/