de·​frost·​er di-ˈfrȯ-stər How to pronounce defroster (audio)
plural defrosters
: a person or thing that defrosts something
She was a cook. I was an opener of cans, a defroster of TV dinners.Bernie Schiffer
especially : a device or system designed to heat a window or windshield of a vehicle for the purpose of removing accumulated ice or moisture
The rear window defroster worked well in the center, but it needs more grid lines for full coverage. Consumer Reports
Their breath fogged the windshield immediately, and Gus slowed to a crawl on the winding street, reaching down to adjust the wipers and the defroster. Frank Conroy

Examples of defroster in a Sentence

Recent Examples on the Web The issue is related to the assembly process for some vehicles due to the sealer used to secure the rear window coming in contact with the defroster's heating elements. Aimee Picchi, CBS News, 23 Jan. 2024 Toshiba 6-in-1 Inverter Countertop Microwave Air Fryer Combo The Toshiba Master inverter microwave is a versatile kitchen appliance that functions as a microwave, air fryer, convection oven, broiler and defroster, all in a compact, space-saving design. Donna Kim, Bon Appétit, 24 Nov. 2023 The rear portion of the top is a more or less conventional fabric-over-folding-frame structure; a welcome departure from convention is a glass rear window, complete with a defroster. Csaba Csere, Car and Driver, 11 Aug. 2023 Check out the interior: vinyl bench seat, metal dash, metal door panels, fabric check-straps for the doors, and manual everything, although there is glovebox—plus a heater and a defroster. Joe Lorio, Car and Driver, 1 Sep. 2023 Max Range is turned off by pressing the accelerator to the floor, selecting the M Sport Boost function with the left paddle shifter, or turning the window defroster to its highest setting. Caleb Miller, Car and Driver, 18 Apr. 2023 To the left and right of the knob are a few more haptic controls hiding behind glass, controlling specific functions like the rear-window defroster and suspension lift. Ezra Dyer, Car and Driver, 7 Mar. 2023 The heating element in the driver's seat worked at its whim, as did the side-mirror defrosters and the driving lights. John Phillips, Car and Driver, 10 Mar. 2023 An electric windshield defroster, coupled with the marque's venerable three mini-wiper-blade assemblage, keeps the view of the road ahead clear, which, combined with the powerful four-wheel disc brakes, further imparts a sense of security largely absent in previous Morgans. Jamie Kitman, Car and Driver, 17 Nov. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'defroster.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1903, in the meaning defined above

Time Traveler
The first known use of defroster was in 1903

Dictionary Entries Near defroster

Cite this Entry

“Defroster.” Dictionary, Merriam-Webster, Accessed 25 Apr. 2024.

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