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diffuse-porous

[dih-fyoos-pawr-uh s, -pohr-]
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adjective Botany.
  1. having annual rings in which the size of pores is approximately the same in wood formed in spring and summer.
Compare ring-porous.

Origin of diffuse-porous

First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for diffuse-porous

Historical Examples

  • The wood is diffuse-porous, and the pores are small and not numerous.

    American Forest Trees

    Henry H. Gibson

  • The wood is diffuse-porous, and the pores are too small to be easily seen by the naked eye.

    American Forest Trees

    Henry H. Gibson

  • It is diffuse-porous, and the springwood is scarcely distinguishable from the summerwood.

    American Forest Trees

    Henry H. Gibson

  • In discussing such woods it is customary to divide them into two large classes—ring-porous and diffuse-porous.

  • Diffuse-porous woods—Pores numerous, usually not plainly visible on cross-section without magnifier.

    Wood and Forest

    William Noyes