heterodyne
Concise Oxford English Dictionary © 2008 Oxford University Press:
heterodyne /ˈhɛt(ə)rə(ʊ)dʌɪn/
▶adjective Electronics relating to or denoting the production of a lower frequency from the combination of two almost equal high frequencies, as used in radio transmission.
– derivatives
heterodyning noun.
heterodyning noun.
'heterodyne' also found in these Oxford entries:

