ring-porous

American  

[ring-pawr-uhs, -pohr-] / ˈrɪŋˈpɔr əs, -ˈpoʊr- /

adjective

Botany.

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

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Etymology

Origin of ring-porous

First recorded in 1900–05

Example Sentences

In ring-porous woods of good growth it is usually the middle portion of the ring in which the thick-walled, strength-giving fibres are most abundant.

From The Mechanical Properties of Wood Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing by Record, Samuel J.

Appearance of Wood: Color, rich brown, sap-wood, thin, lighter; ring-porous; rings, marked by 1 to 3 rows of small open ducts; grain, crooked; rays, broad, and conspicuous.

From Wood and Forest by Noyes, William

Appearance of Wood: Color, brown, thick, sap-wood, lighter; ring-porous; rings, 1 to 3 rows of not large open ducts; grain, crooked; rays, numerous, conspicuous.

From Wood and Forest by Noyes, William

Appearance of Wood: Color, light brown, sap-wood whitish; ring-porous; rings, marked by 1 to 3 rows of open ducts; grain, close, crooked; rays, varying greatly in width, often conspicuous.

From Wood and Forest by Noyes, William

This, it must be remembered, applies only to ring-porous woods such as oak, ash, hickory, and others of the same group, and is, of course, subject to some exceptions and limitations.

From The Mechanical Properties of Wood Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing by Record, Samuel J.