tear

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tear

a drop of the secretion of the lacrimal glands
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Tear

 

a drop of the clear, slightly opalescent fluid secreted by the lacrimal glands. Tears are slightly alkaline. They contain as much as 99 percent water and 0.9 percent inorganic matter, chiefly sodium chloride and small quantities of sodium carbonate, magnesium carbonate, calcium sulfate, and calcium phosphate, as well as the antibacterial enzyme lysozyme; other proteins constitute 0.1 percent. Tears moisten the anterior surface of the eye and prevent it from drying, wash foreign bodies out of the conjunctival sac, and participate in the nutrition of the cornea.

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

run

run, 3
1. In roofing, the horizontal distance from the face of a wall to the ridge of the roof.
2. In stairways, the width of a single stair tread.
3. The horizontal distance covered by a flight of steps.
4. The runway or track for a sash.
5. A small stream of paint flowing vertically on a
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Other former Nazi sites have been torn down recently.
In a tweet yesterday, Ms Bouchart wrote: "We can't wait any longer, we need to know as fast as possible when and how the Jungle will be torn down." She added Interior Minister Bernard Cazeneuve would give the OK "very soon".
The post Germany's Gabriel says Tsipras has torn down last bridge of compromise appeared first on Cyprus Mail .
Many other people feel the same as you do concerning the church closing and being torn down.
"The decision for voiding the building plans proposed to the Council of the Municipality of Centar foresees reinstitution of the old building plan, in which a church has not been planned for construction, whereby the building of the church currently under construction will be declared illegal and consequently torn down," representatives of Veritas explain.
Similarly, posters of many candidates were torn down by protesters in Pul-i-Alam, the provincial capital of eastern Logar province, on Saturday.
IT WOULD be a crying shame if the terrace of shops in Renshaw Street, most recently colonised by Rapid Hardware, were to be torn down as part of the redevelopment of the hinterland of Central Station.
The armed robber and security firm boss said: "The memorial went up last Saturday and by Tuesday it had been torn down.
Gohar, who could have faced up to five years in prison after broadcasting images of Mubarak posters being torn down during deadly riots in April, said his equipment had been confiscated, effectively putting him out of business.
THIS is with reference to statements on June 28, which gave the erroneous impression that the existing Isa Town Gateway was going to be demolished ('torn down') leaving only a sad, indelible memory.