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/
noun
1.

2.
short for microwave oven
verb (transitive)
3.
to cook in a microwave oven
n.

type of electromagnetic wave, 1931, coined in English from micro- + wave (n.). First record of microwave oven is from 1961; microwave as short for this is attested from 1974; as a verb, from 1976.

microwave mi·cro·wave (mī’krə-wāv’, -krō-)
n.
A high-frequency electromagnetic wave, one millimeter to one meter in wavelength, intermediate between infrared and shortwave radio wavelengths. v. mi·cro·waved, mi·cro·wav·ing, mi·cro·waves
To cook or heat using microwaves.
microwave
(mī’krō-wāv’)
An electromagnetic wave with a frequency in the range of 100 megahertz to 30 gigahertz (lower than infrared but higher than other radio waves). Microwaves are used in radar, radio transmission, cooking, and other applications. Microwaves are generated naturally by many astronomical phenomena and are found in cosmic background radiation. See more at electromagnetic spectrum.

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  • Microwave background

    noun 1. 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 microwave background 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

  • Microwave-oven

    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



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