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[ring-pawr-uh s, -pohr-] /ˈrɪŋˈpɔr əs, -ˈpoʊr-/
adjective, Botany.
having annual rings marked by a conspicuous band of large pores in wood formed in spring.
Compare diffuse-porous.
Origin of ring-porous
First recorded in 1900-05 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for ring-porous
Historical Examples
  • The wood is ring-porous, that is, the inner edge of the yearly growth ring has a row of large pores.

    American Forest Trees

    Henry H. Gibson
  • A wood with its large pores collected into one row or in a single band is said to be ring-porous.

    Studies of Trees Jacob Joshua Levison
  • That would represent the ring-porous woods, and the large tubes would be called vessels, or trache.

    Wood and Forest William Noyes
  • ring-porous woods, in which the pores appear (in a cross-section) in concentric rings, as in chestnut, ash and elm.

    Wood and Forest William Noyes
  • ring-porous woods—Pores numerous, usually visible on cross-section without magnifier.

    Wood and Forest William Noyes

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