animal protein, 1957, coined in English from interfere + subatomic particle suffix -on; so called because it "interferes" with the reduplication of viruses.
interfacial
interfaith
interfere
interference
interferometer
interferon
interflow
interfold
intergalactic
intergenerational
interglacial
)window.location='https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=byronic106@yahoo.com&lc=US&item_name=Donation+to +Help+Keep+Etymonline+Free+and+Open&no_note=0&cn=&curency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted'){kind=link}