American Heritage® Dictionary of the English Language, Fourth Edition
- n. A heating device designed to remove frost or prevent its formation.
- n. A device designed to thaw frozen goods.
GNU Webster's 1913
- n. A device 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)
“I have a newly re-engined 1978 Mustang that is about as basic as you can get; it has a rear-window defroster, which is constantly failing and twice shorted out and shattered the window.”
“He fumbled on the dashboard to find a defroster but found nothing.”
“Outside the Cherokee, Joe Lee pauses to salute Kenny through the defroster lines of the hatchback.”
“The vapor, now ice, longs for a chance to melt as you turn on your defroster, and, for a time, be water.”
“If the windshield defroster were affected then poor visibility could cause a crash.”
“What it means is that under current weather conditions (32 degrees Fahrenheit) with all energy-consumptive features in use (satellite radio, windshield defroster, cabin heat set at 74 degrees Fahrenheit, headlamps fully on, front-seat heat set at midrange) we theoretically can drive that far, at a speed of 100 mph, before needing that gasoline-fueled assistance.”
“Signal well in advance of a lane change, and crank up the defroster.”
“Battery discharge would be hastened by the use of any or all of those things - heater, defroster, windshield wipers, headlamps, radio - needed for safety and peace of mind in foul winter weather.”
“He started the car, turned on its defroster and wipers, then climbed out as it warmed.”
“This was an amenity-free car that nonetheless had a rear-window defroster — which owners soon suspected was there to keep their hands warm while pushing.”
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