[soo-per-het-er-uh-dahyn] 
Radio.| 1. | denoting, pertaining to, or using a method of processing received radio or video signals in which an incoming modulated wave is changed by the heterodyne process into a lower-frequency wave and then subjected to amplification and subsequent detection. |
| 2. | a superheterodyne receiver. |
| su·per·het·er·o·dyne (sōō'pər-hět'ər-ə-dīn') adj. Of, relating to, or being a form of radio reception in which the frequency of an incoming radio signal is mixed with a locally generated signal and converted to an intermediate frequency in order to facilitate amplification and the rejection of unwanted signals. n. A superheterodyne radio receiver. [super(sonic) + heterodyne.] |
pərˈhɛt