| 单词 | 非晶体 |
| 释义 | 〔silicon〕A nonmetallic element occurring extensively in the earth's crust in silica and silicates, having both an amorphous and a crystalline allotrope, and used doped or in combination with other materials in glass, semiconducting devices, concrete, brick, refractories, pottery, and silicones. Atomic number 14; atomic weight 28.086; melting point 1,410°C; boiling point 2,355°C; specific gravity 2.33; valence 4. See table at element 硅：一种非金属元素，广泛存在于地壳的硅酸盐和硅石中，有非晶体和晶体的同素异形体，与其它材料掺杂或结合，用于制造玻璃、半导体材料、混凝土、砖、耐火材料、陶瓷和矽氧烷。原子序数14；原子量28.086；熔点1,410°C；沸点2,355°C；比重2.33；化合价4 参见 element〔rubber〕A yellowish, amorphous, elastic material obtained from the milky sap or latex of various tropical plants, especially the rubber tree, and vulcanized, pigmented, finished, and modified into products such as electric insulation, elastic bands and belts, tires, and containers. Also called caoutchouc ,India rubber 橡胶：一种浅黄色的弹性非晶体物质，从各种热带植物尤其是橡胶树的乳液或胶乳中提取，然后加以硫化、着色、磨光、加工成如电绝缘材料、弹性带和弹性条、轮胎和容器等产品 也作 caoutchouc,India rubber〔gum〕Any of various viscous substances that are exuded by certain plants and trees and dry into water-soluble, noncrystalline, brittle solids.树胶：某些植物和树木分泌出的一种粘性物质，干燥后成为溶于水的非晶体、易碎的固体〔veratridine〕A yellowish-white, amorphous powdered alkaloid, C36H 51NO 11, obtained from sabadilla seeds and from the rhizome of hellebore. 藜芦定：一种略带黄色的非晶体的粉末状生物碱，C36H 51NO È�11，从沙巴草籽和藜芦根中提取 |
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