polycondensation
/ˌpɒlɪkɒndɛnˈseɪʃn/ /ˌpɒlɪkɒnd(ə)nˈseɪʃn/Chemistry
noun
A condensation reaction which occurs between molecules each having at least two functional groups and which yields a polymer; a process based on such a reaction.
Origin
1930s; earliest use found in Transactions of the Faraday Society. From poly- + condensation, after German Polykondensation.