ring-porous
adjective Date: 1902 having vessels more numerous and usually larger in cross section in the springwood with a resulting more or less distinct line between the springwood and the last season's wood — compare diffuse-porous

New Collegiate Dictionary. 2001.

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  • ring-porous — ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective : having vessels more numerous and usually larger in cross section in the springwood with a resulting more or less distinct line between the springwood and the wood of the previous season used of woody stems and roots (as …   Useful english dictionary

  • ring-porous — /ring pawr euhs, pohr /, adj. Bot. having annual rings marked by a conspicuous band of large pores in wood formed in spring. Cf. diffuse porous. [1900 05] * * * …   Universalium

  • diffuse-porous —  ̷ ̷| ̷ ̷| ̷ ̷ ̷ ̷ adjective : having vessels distributed more or less uniformly throughout an annual ring and not varying greatly in size used of certain woody stems and roots (as those of maples and birches); compare ring porous * * * /di… …   Useful english dictionary

  • diffuse-porous — adjective Etymology: 1diffuse Date: circa 1902 having vessels more or less evenly distributed throughout an annual ring and not varying greatly in size compare ring porous …   New Collegiate Dictionary

  • diffuse-porous — /di fyoohs pawr euhs, pohr /, adj. Bot. having annual rings in which the size of pores is approximately the same in wood formed in spring and summer. Cf. ring porous. [1900 05] * * * …   Universalium

  • Wood — Wooden redirects here. For other uses, see Wooden (disambiguation). Heartwood redirects here. For other uses, see Heartwood (disambiguation). This article is about the substance. For small forests, see woodland. For wood as a commodity, see… …   Wikipedia

  • wood — wood1 woodless, adj. /wood/, n. 1. the hard, fibrous substance composing most of the stem and branches of a tree or shrub, and lying beneath the bark; the xylem. 2. the trunks or main stems of trees as suitable for architectural and other… …   Universalium

  • Wood — /wood/, n. 1. Grant, 1892 1942, U.S. painter. 2. Leonard, 1860 1927, U.S. military doctor and political administrator. * * * I Hard, fibrous material formed by the accumulation of secondary xylem produced by the vascular cambium. It is the… …   Universalium

  • tree — treelike, adj. /tree/, n., v., treed, treeing. n. 1. a plant having a permanently woody main stem or trunk, ordinarily growing to a considerable height, and usually developing branches at some distance from the ground. 2. any of various shrubs,… …   Universalium

  • Tree — /tree/, n. Sir Herbert Beerbohm /bear bohm/, (Herbert Beerbohm), 1853 1917, English actor and theater manager; brother of Max Beerbohm. * * * I Woody perennial plant. Most trees have a single self supporting trunk containing woody tissues, and in …   Universalium

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