douglas fir

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Related to Douglas-fir: Pseudotsuga menziesii, Pseudotsuga
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Douglas fir
Pseudotsuga menziesii

Douglas fir

Any of several tall evergreen conifers of the genus Pseudotsuga, especially P. menziesii of western North America.

[After David Douglas (1798-1834), Scottish botanist.]

Douglas fir


Douglas spruce


Douglas hemlock

(Plants) a North American pyramidal coniferous tree, Pseudotsuga menziesii, widely planted for ornament and for timber, having needle-like leaves and hanging cones: family Pinaceae. Also called: Oregon fir or Oregon pine
[C19: named after David Douglas (1798–1834), Scottish botanist]

Doug′las fir′

a giant North American evergreen tree, Pseudotsuga menziesii, of the pine family, used for timber and as a Christmas tree.
Also called Doug′las pine′, Doug′las spruce′.
[1855–60; after David Douglas (1798–1834), Scottish botanist]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.Douglas fir - strong durable timber of a douglas firdouglas fir - strong durable timber of a douglas fir
fir - nonresinous wood of a fir tree
douglas fir - tall evergreen timber tree of western North America having resinous wood and short needles
2.douglas fir - tall evergreen timber tree of western North America having resinous wood and short needles
genus Pseudotsuga, Pseudotsuga - douglas fir; closely related to genera Larix and Cathaya
douglas fir - strong durable timber of a douglas fir
douglas hemlock, douglas pine, douglas spruce, green douglas fir, Oregon fir, Oregon pine, Pseudotsuga menziesii - lofty douglas fir of northwestern North America having short needles and egg-shaped cones
big-cone douglas fir, big-cone spruce, Pseudotsuga macrocarpa - douglas fir of California having cones 4-8 inches long
conifer, coniferous tree - any gymnospermous tree or shrub bearing cones

Douglas fir

, Douglas pine
nDouglastanne f
References in periodicals archive ?
Ever green, winter or summer, the Douglas-fir proudly points heavenward as if to call attention to the everlasting peace above.
Red oak, Douglas-fir, and ponderosa pine lumber was treated with a silicon/paraffinic system to assess the ability of the treatment to limit dimensional changes and moisture uptake during changes in temperature or relative humidity.
We maintain active breeding and field testing programs in both our loblolly pine and Douglas-fir regions.
This was not the outcome we desired but with the mill's benchmark product, green Douglas-fir 2x10's, continuing to sell at levels not seen in more than ten years despite near record level housing starts, economic circumstances dictate the mill's closure.
A 37-foot Douglas-fir tree donated by Weyerhaeuser (NYSE:WY) will stand as the centerpiece on the Olympia Capitol Campus this holiday season.
In the article "Effects of Postlayup Borate Treatment on Appearance and Flexural Properties of Douglas-Fir Glued Laminated Beams" by B.
The authors observed the effects of dispersing, piling, and removing logging debris at three Oregon sites where they compared the survival and growth rate of Douglas-fir seedlings.
The timberlands consist of approximately 179,000 acres located on the northern California coast and contain primarily young growth and residual old growth redwood and Douglas-fir timber.
A 100-foot Douglas-fir tree from Weyerhaeuser is en route to Kansas City, Mo.
The main interior structure was made using Oregon sourced, Douglas-fir glued laminated (glulam) beams which serve as ribs and louvers.
Below is a picture of Jerry Magera and his son Sam in the spring of 2001 standing in a recently thinned stand of mixed ponderosa pine, Douglas-fir, and tamarack.
In Washington, the company will give away about 220,000 one-and two-year-old bare root Douglas-fir seedlings, 8,000 three-year-old potted Douglas-fir, and about 5,000 Western red cedar seedlings.