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white-out

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white-out

Drug slang A street term for isobutyl nitrite Substance abuse A generic term for commercial products used to correct typed or written errors on paper documents by painting over them with an opaque white, rapid-drying liquid. See 'Gateway' drugs, Proposition 65, TCE. Cf Glue-sniffing Wildness medicine An arctic condition characterized by loss of object visualization caused by bright sunlight reflecting off snow, resulting in snow blindness. See Snow blindness.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Amateur explorer Alan Lock, 31, battled howling winds, snow white-outs, temperatures as low as minus 35C (minus 31F), and a diet consisting of dehydrated food packs and chunks of butter to complete the nearly 600-mile trek from the coast of Antarctica to the Pole on January 3 after 39 days.
Throughout his solo expedition, Richard faced the brutal Antarctic elements of white-outs, windchill and snow drifts called "sastrugi" and had to pull all his supplies in a small toboggan, which weighed about 68.2kg (10st 7).
"There were periods where the weather was just appalling - when the wind and white-outs were very hard to deal with.
"Occasional white-outs caused by our lunar system but on the whole, nice and warm," Tate forecast - white-outs being sudden avalanches of Tippex.
"We had some white-outs where we were walking through a storm and the light was really flat and you couldn't tell what was the sky and what was the snow.
Sir Ranulf describes the conditions well: "Blizzards and white-outs are common.
The pair reached their goal pulling sledges across the ice-cap after battling against ice pressure ridges, blizzards and white-outs.
But treacherous conditions, including frequent white-outs, have added time to the trip.
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