fir

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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.
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fir

[fər]
(botany)
The common name for any tree of the genus Abies in the pine family; needles are characteristically flat.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

fir

A softwood of the temperate climates including Douglas fir, white fir, silver fir, balsam fir, etc.; used for framing, interior trim.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

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.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

FIR

(1) (Far InfraRed) See infrared wavelengths.

(2) (Fast InfraRed) A high-speed IrDA protocol with data rates up to 4 Mpbs. See IrDA.
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References in periodicals archive ?
Because it is difficult to identify fossil pollen to the species level using morphology alone, we cannot be certain of the distribution of each Abies species during the last glacial period.
1991; Marshall and Neale 1992), and this is also believed to be true for the Abies species we studied.
Differentiation of Mitochondrial DNA Variation in the Five Japanese Abies Species and Comparison with Chloroplast DNA Phylogenies