This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A device used on an aircraft to keep the wings and propeller free from ice or to remove ice after it has formed.

n. A compound, such as ethylene glycol, used to prevent the formation of ice, as on windshields.

n. Chemical substance to melt ice or snow deposited on roads, vehicles or other surfaces.

n. a devie that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane).

n. heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane)

"Related expenses include overtime, contractors and supplies such as salt, deicer and fuel for snow removal equipment."

warmer    heater   

defroster   

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