white fir
 
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[ U ]
wood from a fir tree:
The ship has two masts, which are made of fir.
Her studio has recycled fir floorboards.
The price of Christmas trees is expected to rise this year because of a shortage of firs in Denmark.
He touched the sticky resin on the trunk of a fir tree.
Spruce, fir, and oak were the species most heavily affected by defoliation.
There were larch and fir forests.

SMART Vocabulary: related words and phrases

Types of evergreen & coniferous tree
araucaria
arborvitae
arbutus
areca
Atlantic white cedar
eastern hemlock
Eastern white pine
eucalyptus
ficus
Fraser fir
monkey puzzle
mountain laurel
Norfolk Island pine
Norway spruce
oleander
sequoia
silver fir
Sitka spruce
strawberry tree
subalpine fir

You can also find related words, phrases, and synonyms in the topics:

Types of wood

Examples from literature

Left to themselves, the firs are soon displaced by the beech. 
The forests are immense, mostly of firs and birch, which being thickly set grow small. 
The pines and firs which surround it add a great charm to the outlook, and the cool mountain breeze is charged with very pleasing odors. 
The wood of the West coast abound with tall fir trees. 
This was the winter after our first memorable venture in selling Christmas trees in the city, when we had left the two large firs that we could not sell on the steps of two churches. 

Examples of fir

fir
The fir st term on the right-hand side of (26), representing spatial disper sion, leads to diffractional divergence in the absence of nonlinear terms.
The fir st of these terms is exclusively responsible for instability in our canonical problem (see below).
The belt of coniferous forest is dominated by evergreen pine, spruce, larch and fir trees.
Normally the fir st term in this expression dominates.
The answer to this question cannot be ascertained at fir st sight even on physical grounds.
For higher flux densities, the fir st caviton depth again increases, leading to stronger mode conver sion processes.
These results indicate a qualitative similarity between the results for the fir storder mode here and the simulations with periodic boundary conditions.
This is the fir st step of our modeling mentioned in the above discussion.
Let us define a continuous field r(r) with continuous fir st derivatives, which represents a virtual displacement of the fluid.
The fir st is the increasing group velocity of the laser pulse and the other is the relativistic retur n currents.
As a fir st approximation, the plasma jet can be treated as a quasi-stationary problem within the computational time-step of the combustion cycle.
Since in (14) the momentum p corre+ sponds to the resonant particles, we can neglect the fir st term of (2).
The fir st two express that total momentum and charge neutrality must be maintained, and therefore do not impose any new restrictions.
Let us designate this magnetic shell as the plasmapause of the fir st type.
For completeness, we fir st derive the equations gover ning the dynamical response of the density in the presence of a laser pulse as follows.
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