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(aerospace engineering)
Any device to keep the wings and propeller of an airplane free of ice.
Any substance used to keep a surface free of ice or to rid it of ice; ethylene glycol is used to deice windshields of automobiles and airplanes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a device designed to protect airplanes and helicopters from the formation of ice. There are mechanical, chemical, thermal, and combination types.

The mechanical deicer removes ice by means of pulsating air chambers made of rubber and installed in places where ice forms. Other mechanical deicers use an electromagnetic field that creates vibrations on the aircraft skin. Chemical deicers use a liquid that dissolves the ice or lowers the freezing point of water; these include glycol compounds, ethyl alcohol, or alcohol-glycerine mixtures. The liquid is supplied through a porous material covering the surface being protected. It is possible to use soluble coatings that melt the ice, which is then thrown off of the surface by the airflow. Thermal deicers either heat the protected surface continuously or melt the ice periodically; the ice is then blown from the surface by the airflow.

Combination devices use more than one of the methods described above. The most common types are hot-air and electrothermal deicers. The hot-air type features a second, usually corrugated, skin fitted to the inside of the surface being protected, such as the leading edge of a wing. Warm air is fed through the channel formed by the second skin. Electrothermal deicers may use wire heating elements in the form of a metal mesh, a metal coating sprayed on the surface, or a similar system.


Trunov, O. K. Obledenenie samoletov i sredstva bor’by s nim. Moscow, 1965.
Protivoobledenitel’nye sistemy letatel’nykh apparatov. Moscow, 1967.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


Any device used for removing ice formations from any portion of an aircraft, such as exhaust gases for heating, or mechanical methods, such as the inflation of rubber overlay on the surface or intermittent electric heating of a surface. Wind-Screens can be deiced electrically by using a special glass sandwich with a transparent conducting surface on the inner sheet, across which alternating current is passed. See deicer boots.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
"We tested the efficacy of a deicer derived from a sugar beet byproduct against rock salt.
The Box Trailer Deicer is also in patent pending status with the United States Patent and Trademark Office.
If you do need to use a melting agent for home snow removal, choose liquid deicers to treat large areas.
It is also used to produce other industrial chemicals, including butanediol, tetrahydrofuran, and pyrrolidone, which become ingredients in solvents, paints, deicers, plastics, fuel additives, fabrics, and carpets.
alone, millions of gallons of ethyleneglycol-(EG) and propylene-glycol (PG) based deicers are used each year for airport and roadway treatments.
The deicer uses a CSA-certified heating element embedded in a mold of Alcryn melt-processible rubber (MPR).
Calcium magnesium acetate (CMA), a mixture of calcium acetate and magnesium acetate, is used as an environmentally benign roadway deicer. The present commercial CMA deicer made from glacial acetic acid and dolomitic lime or limestone is expensive compared to salt and other deicers.
The correct way to use a deicer is to spread it at the rate recommended by the manufacturer, wait for it to break the bond between the snow/ice and pavement, and then mechanically remove the snow and ice from the pavement.
SHRP (Strategic Highway Research Program) did an excellent job developing its Handbook of Test Methods for Evaluating Chemical Deicers, which can help people begin to understand the factors and nuances of proper deicer selection.
Chicago's new brew, dubbed "Legacy Holiday deicer Ale" is described as "spicy nordic brew", made from seven different malts (special roast, wheat, two-row, light and dark caramel, Victory and chocolate), accented with Willamette and Chinook hops, and spiced with clove, coriander, allspice and orange peel.
* Yvonne Ou, 17, of Lexington (Mass.) High School, went in search of a "low-cost, environmentally safe, interim road deicer," she explains.