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2017 Word of the Year

late wood

noun
Origin of late wood
1925-1930
First recorded in 1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for late wood
Historical Examples
  • It is not only the proportion of late wood, but also its quality, that counts.

  • Color brown to white, sometimes with reddish tinge to late wood.

    Studies of Trees Jacob Joshua Levison
  • All of this is presumptive evidence that the principle defect of larch is a lack of adhesion between the early and the late wood.

    American Forest Trees

    Henry H. Gibson
  • This is particularly the case with thick-walled cells such as are found in late wood.

  • In woods with very decided contrast between early and late wood the two forms are usually distinct.

  • The width of ring, that is, the number per inch, is not nearly so important as the proportion of the late wood in the ring.

  • No satisfactory explanation can as yet be given for the real causes underlying the formation of early and late wood.

  • In obtaining data regarding the rate of growth and the proportion of late wood the same procedure is followed as with large beams.

  • They are carefully weighed, measured, rate of growth and proportion of late wood determined, as in bending tests.

  • Usually odorless, not splintery, not resinous, with little contrast between early and late wood.

    Studies of Trees Jacob Joshua Levison
late wood in Science
late wood  
The part of the wood in a growth ring of a tree that is produced later in the growing season. The cells of late wood are smaller and have thicker cell walls than those produced earlier in the season. Within a growth ring, the change of early wood to late wood is gradual, but each layer of early wood from the next growing season makes an abrupt contrast with the late wood before it, thus leading to the perception of rings. Compare early wood.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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