microwave oven

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microwave oven,

device that uses microwavesmicrowave,
electromagnetic wave having a frequency range from 1,000 megahertz (MHz) to 300,000 MHz, corresponding to a wavelength range from 300 mm (about 12 in.) to 1 mm (about 0.04 in.). Like light waves, microwaves travel essentially in straight lines.
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 to rapidly cook food. The microwaves cause water molecules in the food to vibrate, producing heat, which is distributed through the food by induction. A special electron tubeelectron tube,
device consisting of a sealed enclosure in which electrons flow between electrodes separated either by a vacuum (in a vacuum tube) or by an ionized gas at low pressure (in a gas tube).
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 called a magnetron produces the microwaves. Typical output power for consumer devices ranges from 650 to 1200 watts. To ensure even heating, the magnetron directs its waves at a rotating metal disk with offset vanes, which scatters the waves through the oven cavity; a rotating platform for the food is sometimes used in addition. Power settings may reduce the amount of radiation by cycling a constant-output magnetron on and off for varying lengths of time, or may reduce the level of radiation constantly produced by an inverter magnetron. The magnetron may be supplemented by quartz and halogen bulbs for browning food, which microwaves do poorly.

microwave oven

[′mī·krə‚wāv ′əv·ən]
(engineering)
An oven that uses microwave heating for fast cooking of meat and other foods.
References in periodicals archive ?
Microwave oven cooking (MO) : The microwave cooking was done in a 700 W single beam microwave oven operating at 2,450 MHz (Inalsa, Model: IMW 17 EG) for 70 sec in order to achieve an internal temperature of 72[degrees]C measured by probe thermometer.
A promotion with Slimming World magazine will invite readers to come up with new healthy egg recipes, while consumers will also be invited to try out 'meals for 1 [pounds sterling]' recipes via the Eggonomics campaign and a new initiative promoting microwave cooking with eggs.
CIA Creates Gourmet Recipes for Panasonic Microwave Home cooks are invited to discover the power of microwave cooking with a collection of 15 quick, healthy and gourmet recipes created specifically for Panasonic Inverter microwaves by the certified master chefs at The Culinary Institute of America (CIA).
Consumers' need for reduced meal preparation and easy cleanup has created strong demand in the steamable microwave cooking category.
Naasz wrote that the article "doesn't fully depict the frozen food industry's commitment to product safety," and he was able to state the case for AFFI's efforts in microwave cooking safety, noting that AFFI "has worked diligently with retailers and regulators to provide clear microwave cooking instructions and enhance good manufacturing practices.
Washington, April 19 (ANI): Griddling - cooking on a flat metal surface with no oil - or microwave cooking can help maintain the highest antioxidant levels in vegetables, according to a Spanish study.
Visitors to the site will find wattage information for individual microwave units, best practices for food preparation and other resources to aid in safe microwave cooking.
Microwave cooking is time-saving, simple and more convenient as well as energy-saving are the main sales arguments [1].
Specifically, recommended microwave cooking times on the pot pie packaging were based on wattage categories, but most patients were unaware of their microwave wattage.
Prick the potatoes with a fork several times and put in microwave cooking on high for eight minutes.
This year's new questions include general and microwave cooking practices.

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