diffuse-porous

[ dih-fyoos-pawr-uh s, -pohr- ]

/ dɪˌfyusˈpɔr əs, -ˈpoʊr- /

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

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

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.

The Mechanical Properties of Wood |Samuel J. Record
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

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

Wood and Forest |William Noyes