diffuse-porous

[dih-fyoos-pawr-uhs, -pohr-]

adjective

Botany.

1. having annual rings in which the size of pores is approximately the same in wood formed in spring and summer.

Word History and Origins

Origin of diffuse-porous¹

First recorded in 1900–05

Example Sentences

This arrangement would represent the diffuse-porous woods.

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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.

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If the elements of which a wood are composed are of approximately uniform size, it would be said to have a uniform texture, as in white pine, while uniform grain would mean, that the elements, tho of varying sizes, were evenly distributed, as in the diffuse-porous woods.

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Appearance of Wood: Color, red-brown, sap-wood, thin, yellow; diffuse-porous; rings, inconspicuous; grain, crooked; rays, fine and scattered, but plain.

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Appearance of Wood: Color, rich brown and red, sap-wood thick, nearly white; diffuse-porous; rings, obscure; grain, close, fibres interlaced, sometimes figured, polishes well; rays, numerous and thin.

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