adjective, noun, Radio Informal.
See superheterodyne receiver
[soo-per-het-er-uh-dahyn] /ˌsu pərˈhɛt ər əˌdaɪn/ Radio. adjective 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. noun 2. a superheterodyne receiver.
- Superheterodyne receiver
/ˌsuːpəˈhɛtərəˌdaɪn/ noun 1. a radio receiver that combines two radio-frequency signals by heterodyne action, to produce a signal above the audible frequency limit. This signal is amplified and demodulated to give the desired audio-frequency signal Sometimes shortened to superhet
[soo-per-hahy] /ˈsu pərˌhaɪ/ noun, Radio. 1. any frequency between 3000 and 30,000 megahertz. Abbreviation: SHF. superhigh frequency /ˈsuːpəˌhaɪ/ noun 1. a radio-frequency band or radio frequency lying between 30 000 and 3000 megahertz SHF
[soo-per-hahy-wey, soo-per-hahy-wey] /ˈsu pərˌhaɪ weɪ, ˌsu pərˈhaɪˌweɪ/ noun 1. a highway designed for travel at high speeds, having more than one lane for each direction of traffic, a safety strip dividing the two directions, and cloverleaves to route the traffic on and off the highway. Compare expressway. 2. any very fast route or course. superhighway […]