| 词汇 | quebracho |
| 释义 | quebracho noun uk /keɪˈbrɑː.tʃəʊ/ us /keɪˈbrɑː.tʃoʊ/ [ C or U ] a South American tree, known for its hard wood and for producing tannin(= a chemical used as a dye and in the production of leather): They said that the best woods for burning were the hard ones, like the wood of the quebracho tree. The red quebrachos are the dominant species in this region. [ U ] the hard wood of the quebracho tree: The sculpture is made of marble and quebracho, a very hard Argentine wood. The railway was built to haul quebracho logs. [ C or U ] a substance produced from the quebracho tree, containing tannin(= a chemical): The animals in the treatment group received hay that was supplemented with quebracho, which is rich in condensed tannins. These quebrachos (crude tannin extracts) are the most effective so far tested. The study investigated the effects of quebracho tannin on intestinal parasites in rats. Types of evergreen & coniferous tree araucaria arborvitae arbutus areca Atlantic white cedar eastern hemlock Eastern white pine eucalyptus ficus fir mallee monkey puzzle mountain laurel Norfolk Island pine Norway spruce sequoia silver fir Sitka spruce strawberry tree subalpine fir You can also find related words, phrases, and synonyms in the topics: Types of wood Chemicals, chemical compounds & gases Biochemistry |
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