fir

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Related to fir trees: Abies, balsam fir, douglas fir

fir,

any tree of the genus Abies of the family Pinaceae (pinepine,
common name for members of the Pinaceae, a family of resinous woody trees with needlelike, usually evergreen leaves. The Pinaceae reproduce by means of cones (see cone) rather than flowers and many have winged seeds, suitable for wind distribution.
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 family), tall pyramidal evergreen conifers characterized by short, flat, stemless needles and erect cylindrical cones that shed their scales rather than dropping off the tree whole. Firs, valued and cultivated for their fragrance and beauty, are found chiefly in alpine regions of the Northern Hemisphere. In North America the balsam fir, or balsam, popular as a Christmas tree and the source of Canada balsamCanada balsam,
yellow, oily, resinous exudation obtained from the balsam fir. It is an oleoresin (see resin) with a pleasant odor but a biting taste. It is a turpentine rather than a true balsam.
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, is native to the Northeast; the Fraser fir, or she-balsam, grows in the Alleghenies and is used as a Christmas tree; and the noble, alpine, and red firs are found at high altitudes and the grand, silver, and white firs on lower mountain slopes in the Northwest. Fir wood is usually light and soft but is sometimes used for interior finishing and for crates and boxes. The Douglas fir, Pseudotsuga menziesii, is not a true fir (see pinepine,
common name for members of the Pinaceae, a family of resinous woody trees with needlelike, usually evergreen leaves. The Pinaceae reproduce by means of cones (see cone) rather than flowers and many have winged seeds, suitable for wind distribution.
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). Firs are classified in the division PinophytaPinophyta
, division of the plant kingdom consisting of those organisms commonly called gymnosperms. The gymnosperms, a group that includes the pine, have stems, roots and leaves, and vascular, or conducting, tissue (xylem and phloem).
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, class Pinopsida, order Coniferales.

fir

[fər]
(botany)
The common name for any tree of the genus Abies in the pine family; needles are characteristically flat.

fir

A softwood of the temperate climates including Douglas fir, white fir, silver fir, balsam fir, etc.; used for framing, interior trim.

fir

1. any pyramidal coniferous tree of the N temperate genus Abies, having single needle-like leaves and erect cones: family Pinaceae
2. any of various other trees of the family Pinaceae, such as the Douglas fir
3. the wood of any of these trees

FIR

(electronics)

FIR

(standard)
Fast Infrared. Infrared standard from IrDA, part of IrDA Data. FIR supports synchronous communications at 4 Mbps (and 1.115 Mbps?), at a distance of up to 1 metre.

FIR

(1) (Far InfraRed) See infrared wavelengths.

(2) (Fast InfraRed) A high-speed IrDA protocol with data rates up to 4 Mpbs. See IrDA.
References in periodicals archive ?
He expressed his feelings to his family by bringing a fir tree into his home and attaching lighted candles to its branches.
Veering away from the conventional swags and jabots on the stairways, the decorator covers up the wrought iron railing with faux fir tree garlands made to look like crawling vines.
An increasing number of Douglas fir trees in the Oregon Coast Range are suffering from a fungal disease known as Swiss needle cast, which is stunting the growth of the trees by about 50 percent and causing an annual economic loss of $128 million, a new study has found.
I HAVE some fir trees cut and chipped and was thinking of using them to help keep down weeds around my roses.
"Apart from the fir trees which we planted especially for this purpose, the rest of the trees we have for sale are the ones we cut to thin out forests.
Featuring beautiful, accurate watercolor illustrations by scientifically trained artist Laurie Caple, Fiddleheads to Fir Trees: Leaves in All Seasons is a picturebook that teaches young readers about the diversity of shapes and sizes that the leaves of different plans come in.
If you are out walking in the woods, here's an easy way to tell these trees apart - the cones on fir trees are always held upright on the branches and fall off the tree when ripe, whereas the cones on spruce trees always hang pendant from the tree and remain there when ripe.
Make the heart using the same process as for the fir trees, but insert a decorative ribbon at the top centre so it may be attached to the wreath.
DUBAI Nordman fir trees from Canadian forests are in huge demand among Christmas tree shoppers this year.
willows wept and fir trees shivered in falling snow.