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The vertical depth, measured in geometric or geopotential units, of a layer in the atmosphere bounded by surfaces of two different values of the same physical quantity, usually constant-pressure surfaces.
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 It might be outdated or ideologically biased.



(geology), the thickness of a stratum (vein, lens) or complex of geological deposits (suite, stage, series, system, lava sheets). A distinction is made between the true thickness (t) measured by the length of a perpendicular between the roof and floor of a stratum and the thickness visible on the earth’s surface (s). The true thickness is determined by the formula t = s sin (δ + σ), where δ is the angle of dip of the stratum and σ is the angle of inclination of the earth’s surface. The thickness of each stratigraphic subdivision varies along the strike.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
The thick fog also disturbed the routine business life of the city as people avoid to travel at their desire destinations.
"Thick Cream is an essential element of several popular regional dishes and our approach has been to identify the favored style of thick cream through research and then produce an offering to meet those requirements.
Why can't butchers cut a thick piece of meat and then chop it in half?
The thick fog was very thick over coastal areas and it was impossible to see Emirates Palace and the end of the corniche for motorists driving on the Corniche Road Tuesday.
Barnett left Aintree - to succeed Douglas Erskine-Crum as chief executive at Ascot - following 15 years in charge, during which time he was credited with transforming the racecourse, and Thick paid tribute to him yesterday.
As a result, there aren't large quantities of plankton to die, fall to the bottom, and build up into a thick layer of sediment.
But he finds it "not at all surprising" that layers of antibodies that are thick relative to the sensor would alter its vibrations.
Its Phoenix-like successor relies on a cast-in-place-reinforced concrete core two-feet thick to soar beyond the original 47 floors, to 52 floors.
Aluminum, 1/8 thick, 5052-1434 per spec 00-A-250/8.
Thick by Colin Neenan is an interesting and eclectic of Nick, a generally kind fellow who happens to almost incidentally find himself in jail.
2 Scrap--Ferrous scrap grade consisting of iron and steel items less than 1/4-inch thick but more than 1/8-inch thick, and measuring no more than 60 inches by 18 inches, to fit in a standard charging box.