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).

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.

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.

lumber

[′ləm·bər]
(materials)
Logs that have been sawed and prepared for market.

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.

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
References in periodicals archive ?
Tools and materials: 2-by-4s, corrugated roofing, T-posts, 4-by-4s.
To center that bottom 2-by-4, use a small 2-by-4 block at each end and mark the distance from the edge for correct placement.
Using 1-by-2 strips, roll the excess sheeting under at the sides and fasten them to the 2-by-4 footings, using screws with washers to avoid tearing the plastic.
Random Lengths, an Oregon-based trade publication that serves the lumber industry, has reported that The Defense Supply Center, the government's purchaser, shipped nearly 800,000 sheets of plywood in August alone for delivery in Iraq, along with 320 truckloads of 2-by-4, 2-by-6 and 4-by-4-foot boards to support Middle East operations.
The platform was an old commode chair frame to which I bolted two 2-by-6 boards, with two 2-by-4 cross members screwed to the top.
To mount the unit on his skid loader, he made a cardboard pattern and then welded three lengths of 2-by-4 steel tubing at an angle running from the frame to a mounting plate that's equipped with quick-attach brackets.
Vern modified the piece by adding a 2-by-4 with a clevis on the back side under the grain box, allowing him to pull a wagon loaded with seed when he went to the field.
For me, though, it takes that 2-by-4 whack on the intellect every so often to wake me up and remind me that, while I may be inconveniently called to action in loving service, when I respond with an open mind and heart and trust the process, I am deeply changed and richly blessed.
For extra support, attach one 2-by-4 horizontally to the back of each arch (just behind the seating plank) with four 2 1/2-inch screws.
The unit holds 60 SKUs in 2-by-4 samples, and the rugs are drop-shipped to the consumer via special order, eliminating the need for dealer inventory.
On their corner lot, trees are either planted in water pots and fixed to 2-by-4 rails, or covered beneath damp burlap under a protective tent.
It's a 2-by-4, alright," said the man behind the board, Michael Arnold, spokesperson for the Oregon Mint Snuff Co.