a background of microwave electromagnetic radiation with a black-body spectrum discovered in 1965, understood to be the thermal remnant of the big bang with which the universe began
See cosmic background radiation.
- Microwave communication
The transmission of signals by sending microwaves, either directly or via a satellite. The receivers for microwave signals are usually disc-shaped antennae from a foot to a few feet across and are often seen installed in business locations or near private homes.
- Microwave detector
noun 1. a device for recording the speed of a motorist
noun 1. an electrically operated oven using high-frequency electromagnetic waves that penetrate food, causing its molecules to vibrate and generating heat within the food to cook it in a very short time. noun 1. an oven in which food is cooked by microwaves Often shortened to micro, microwave
[mahy-kroh-weyv] /ˈmaɪ kroʊˌweɪv/ noun 1. an of extremely high frequency, 1 GH 3 or more, and having wavelengths of from 1 mm to 30 cm. 2. . verb (used without object), microwaved, microwaving. 3. to use a . verb (used with object), microwaved, microwaving. 4. to cook, defrost, or otherwise prepare in a . /ˈmaɪkrəʊˌweɪv/ […]