ring-porous

[ ring-pawr-uhs, -pohr- ]

adjective

, Botany.

1. having annual rings marked by a conspicuous band of large pores in wood formed in spring.

Word History and Origins

Origin of ring-porous¹

First recorded in 1900–05

Example Sentences

That would represent the ring-porous woods, and the large tubes would be called vessels, or trache�.

From Project Gutenberg

In order to fully understand the structure of wood, it is necessary to examine it still more closely thru the microscope, and since the three classes of wood, non-porous, ring-porous and diffuse-porous, differ considerably in their minute structure, it is well to consider them separately, taking the simplest first.

From Project Gutenberg

Appearance of Wood: Color, brown, sap-wood thick, lighter; ring-porous; rings, plainly marked by large, open, scattered pores; grain, coarse, straight; rays, numerous, thin.

From Project Gutenberg

Appearance of Wood: Color, light yellow, streaked with brown, sap-wood lighter; ring-porous; rings, clearly marked by 1 to 3 rows of large, open ducts; grain, straight; rays, numerous, obscure.

From Project Gutenberg

Appearance of Wood: Color, reddish brown, sap-wood lighter; ring-porous; rings, marked by several rows of very large open ducts; grain, crooked; rays, thin.

From Project Gutenberg