lumber

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lumber,

term for timber that has been cut into boards for use as a building material. The major steps in producing lumber involve logging (the felling and preparation of timber for shipment to sawmills), sawing the logs into boards, grading the boards according to defects and intended use, drying, and finishing the rough boards into smoother products. Among the leading lumber-producing countries in the world are Russia and the United States, which together produce over 50% of the world's lumber supply. In the United States, Maine early took the lead in production, but as the industry spread the forests of the West acquired increasing importance and Oregon, Washington, and California became leading producers. More recently, the forests of the S United States have taken over a large share of lumber production. Lumbering was one of the first industries in North America—its first exports were ship timbers. Logging was a frontier industry, the work being rough, dangerous, and difficult. Romantic, exaggerated stories and legends of the feats of the lumberjack are a colorful chapter in U.S. folklore. For lumber cuts and preparations, see woodwood,
botanically, the xylem tissue that forms the bulk of the stem of a woody plant. Xylem conducts sap upward from the roots to the leaves, stores food in the form of complex carbohydrates, and provides support; it is made up of various types of cells specialized for each of
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Bibliography

See N. C. Brown, Lumber (2d ed. 1958); R. E. Pike, Tall Trees, Tough Men (1967); L. Blanchard, The Lumberjack Frontier (1969).

The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

Lumber

Timber that is sawn or split in the form of beams, boards, joists, planks, or shingles; refers especially to pieces smaller than heavy timber.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Lumber

 

materials (beams, boards, scantlings) produced by sawmilling. Depending on the method of sawing, lumber may be quarter-sawn, flat-sawn, or combined sawn. Lumber with edges finished by sawing is called square-edged, while material without finished edges is called rough. That which has been further processed after sawing in order to smooth the surface or to produce specially shaped surfaces is called dressed. Lumber is used for construction and for making packing containers, furniture, and other articles.

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

lumber

[′ləm·bər]
(materials)
Logs that have been sawed and prepared for market.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

lumber

Timber sawn or split in the form of beams, boards, joists, planks, etc., esp. that which is smaller than heavy timber. Also see board, 1, dimension lumber, matched boards, and yard lumber.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

lumber

Chiefly US and Canadian
a. logs; sawn timber
b. cut timber, esp when sawn and dressed ready for use in joinery, carpentry, etc.
c. (as modifier): the lumber trade
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Timber Tree Company, LLC, is a full-service tree removal and trimming service serving Denver and the surrounding region.
This is the case of many highly valuable timber tree species, such as bigleaf mahogany and several other species from the Amazon and African forests, where their densities are reduced, and their class size population structures show discontinuous distributions and low recruitments after intensive logging (Lawes et al., 2007; Grogan et al., 2008).
The tree rows evenly spaced at 14m apart, each contain four species of high quality timber trees, ash (Fraxinus excelsior L.), cherry (Prunus sp.), sycamore (Acer pseudoplatanus L.) and walnut (Juglans regia L.).
The off-reserve AAC was however increased by the Government in response to the desire to salvage timber trees before they are lost to the extensive illegal exploitation and conversion of off-reserve secondary forests to agriculture and other land-uses such as mining.
I remember rolling my eyes when the professor instructed us to include Scotch pine in the list of timber trees we needed to know.
Then in 50 to 80 years, old age begins to overtake this short-lived nurse tree and the valuable softwood timber trees outstrip and at last replace it."
"It is not only a good timber tree, but planting it has taken care of erosion problems there, too," said Wood.
But the program is modeled after agency geneticists' successful production of blister-rust-resistant western white pines, a bread-and butter timber tree being replanted by the millions.
Karri is an important timber tree that grows in southwestern Australia.
Tropical timber trees comprise another wildlife market of high commercial value.
In the single origin collection, some cacao beans are grown in areas near timber trees, which produces a woodsy flavor.