出典:Wiktionary
出典:『Wiktionary』 (2026/04/24 00:02 UTC 版)
From 中期英語 wode, from 古期英語 wudu, widu (“wood, forest, grove; tree; timber”), from Proto-West Germanic *widu, from Proto-Germanic *widuz (“wood”), from Proto-Indo-European *h₁weydʰh₁- (“to separate”). The spelling developed as it did in wool.
Cognate with Dutch wede (“wood, twig”), Middle High German wite (“wood”), Danish, Norwegian Bokmål, Norwegian Nynorsk, and Swedish ved (“wood”), Elfdalian wið (“wood, timber”), Faroese and Icelandic viður (“wood”), Norwegian Nynorsk ved (“wood, firewood”), vid (“wide, broad”). Further cognates include Irish fiodh (“a wood, tree”), Irish fid (“tree”) and Welsh gwŷdd (“trees”), from Proto-Celtic *widus (“wood”). Unrelated to Dutch woud (“forest”), German Wald (“forest”) (see English wold).
wood (countable and uncountable, plural woods)
wood (third-person singular simple present woods, present participle wooding, simple past and past participle wooded)
wood (comparative wooder, superlative woodest)
出典:Wikipedia
出典:『Wikipedia』 (2011/08/07 19:22 UTC 版)
Wood is a hard, fibrous tissue found in many plants. It has been used for centuries for both fuel and as a construction material. It is an organic material, a natural composite of cellulose fibers (which are strong in tension) embedded in a matrix of lignin which resists compression. In the strict sense wood is produced as secondary xylem in the stems of trees (and other woody plants). In a living tree it functions as a support function, enabling woody plants to reach large sizes or to stand up for themselves. It also mediates transfer of water and nutrients to the leaves and other growing tissues. Wood may also refer to other plant materials with comparable properties, and to material engineered from wood, or wood chips or fiber.
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