n.
Pronunciation: ' he-t ə -r ə - ˌ d ī n, ' he-tr ə -
Function: adjective
Etymology: heter- + -dyne, modification of Greek dynamis power ― more at DYNAMIC
Date: 1908
: of or relating to the production of an electrical beat between two radio frequencies of which one usually is that of a received signal-carrying current and the other that of an uninterrupted current introduced into the apparatus also : of or relating to the production of a beat between two optical frequencies