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单词 logwood
释义

logwood


log·wood

L0233200 (lôg′wo͝od′, lŏg′-)n.1. A spiny tropical American tree (Haematoxylum campechianum) in the pea family, having dark heartwood from which a dyestuff is obtained.2. The heartwood of this tree.3. The dye obtained from the heartwood of this tree, used to dye cloth purple or deep black.
[So called because in the 1500s and 1600s, the very hard heartwood of logwood was shipped in large quantities from Mexico and the Antilles to Europe in the form of debarked logs, which were then processed by rasping in Europe to satisfy the demand for a colorfast dyestuff that could produce the deep black color fashionable at the time.]

logwood

(ˈlɒɡˌwʊd) n1. (Plants) a leguminous tree, Haematoxylon campechianum, of the Caribbean and Central America2. (Plants) the heavy reddish-brown wood of this tree, yielding the dye haematoxylin. See also haematoxylon

log•wood

(ˈlɔgˌwʊd, ˈlɒg-)

n. 1. the heavy, brownish red heartwood of a West Indian and Central American tree, Haematoxylon campechianum, used in dyeing. 2. the tree itself. [1575–85]
Thesaurus
Noun1.logwood - very hard brown to brownish-red heartwood of a logwood treelogwood - very hard brown to brownish-red heartwood of a logwood tree; used in preparing a purplish red dyecampeachy, Haematoxylum campechianum, logwood tree, bloodwood tree, logwood - spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dyewood - the hard fibrous lignified substance under the bark of trees
2.logwood - spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dyelogwood - spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dyecampeachy, Haematoxylum campechianum, logwood tree, bloodwood treegenus Haematoxylon, genus Haematoxylum, Haematoxylon, Haematoxylum - small genus of tropical American spiny bushy shrubs or treeslogwood - very hard brown to brownish-red heartwood of a logwood tree; used in preparing a purplish red dyeblackwood tree, blackwood - any of several hardwood trees yielding very dark-colored wood
Translations
campechepalo campechepalo tinta

logwood


logwood,

small, thorny tree (Haematoxylon campechianum) of the family Leguminosae (pulsepulse,
in botany, common name for members of the Fabaceae (Leguminosae), a large plant family, called also the pea, or legume, family. Numbering about 650 genera and 17,000 species, the family is third largest, after the asters and the orchids.
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 family) native to tropical America and introduced into other tropical regions. The brown-red heartwood is the source of the dye haematoxylin and was exported to Europe as a major purple textile dye from the 16th cent. until the development of synthetic aniline dyes. It is still used more than are most natural dyes—as a histological stain, for ink, and as a special-purpose dye. Local names for the wood include campeachy wood and blackwood. The name logwood is sometimes applied to other similar woods. Logwood is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Rosales, family Leguminosae.

Logwood

 

(Haematoxylon campechianum), a small tree of the family Caesalpiniaceae, measuring approximately 12 m tall and 0.5 m in diameter. The leaves are pinnate, and the flowers are small and yellow. Native to tropical America, logwood is cultivated in the tropics. The heartwood is initially bright red; it subsequently turns blue, then violet-black. Logwood, which contains hematoxylin and tannins, is used for making dye. Be-cause of its attractive color and texture, the wood is valued inthe manufacture of furniture and parquetry.

logwood

[′läg‚wu̇d] (botany) hematoxylon

logwood


Related to logwood: logwood tree
  • noun

Synonyms for logwood

noun very hard brown to brownish-red heartwood of a logwood tree

Related Words

  • campeachy
  • Haematoxylum campechianum
  • logwood tree
  • bloodwood tree
  • logwood
  • wood

noun spiny shrub or small tree of Central America and West Indies having bipinnate leaves and racemes of small bright yellow flowers and yielding a hard brown or brownish-red heartwood used in preparing a black dye

Synonyms

  • campeachy
  • Haematoxylum campechianum
  • logwood tree
  • bloodwood tree

Related Words

  • genus Haematoxylon
  • genus Haematoxylum
  • Haematoxylon
  • Haematoxylum
  • logwood
  • blackwood tree
  • blackwood
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更新时间:2024/12/22 18:35:35