A curly, wavy, smoky, or birdseye wood does not owe its quality to annual rings, yet with some persons, all of these figures are called grain.
Annual Rings--The trunks of both hardwoods and softwoods are made up of concentric rings.
One thing can be accepted without question; size is no proof of age, in comparing one tree with another; neither is the number of annual rings in a block cut from the side of a tree a reliable factor to determine age.
Stem with Solid Cylinder of Wood developed from the Cambium, showing three "annual rings".
Outside this the secondary wood forms a regular cylinder round the axis, which shows no sign of annual rings.
This ever-recurring activity of the cambium gives rise to what are known as "annual rings" in stems, see fig.
The keel will wear better if got out so that the concentric rings (annual rings) of the wood will be horizontal or parallel with the bottom of the boat and at right angles to the screws with which the keel is fastened on.
In the trunk of a tree found at Bonn, Noggerath counted 792 annual rings.
One stump of 9-inch diameter, typical of the larger Black Jack trees, had approximately 60 annual rings.
Thus the trunk continues to grow in thickness throughout the life of the tree by additions (annual rings), which in temperate climates are, barring accidents, accurate records of the tree.
Even where there is radial growth, as in yucca, the structure is not in annual rings, but irregular.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "annual rings" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
