Origin of diffuse-porous
Examples from the Web for diffuse-porous
The wood is diffuse-porous, and the pores are small and not numerous.
It is diffuse-porous, and the springwood is scarcely distinguishable from the summerwood.
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.
Diffuse-porous woods—Pores numerous, usually not plainly visible on cross-section without magnifier.Wood and Forest|William Noyes