| 词汇 | metalloid |
| 释义 | metalloid noun[ C ] chemistry specializeduk /ˈmet.əl.ɔɪd/ us /ˈmet̬.əl.ɔɪd/ a chemical element with some of the properties of a metal and some of a non-metal, for example silicon and arsenic非金属（拥有部分金属特性，部分非金属特性的化学元素，如硅和砷） Chemical elements actinium alkali metal americium antimony astatine berkelium brimstone calcium fluorine germanium lithium manganese nickel plutonium quicksilver selenium silicon sodium sulphur transition metal metalloid | American Dictionarymetalloid noun[ C ] us/ˈmet·əlˌɔɪd/ chemistry a chemical element with some of the characteristics of a metal and some of a substance that is not a metal, for example, silicon and arsenic Examples of metalloidmetalloid It is not certain whether polonium is a metal or a metalloid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Germanium is usually considered to be a metalloid rather than a metal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The greater propriety of applying the word metalloid to other elements, such as arsenic, had been considered. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Everything from the left to the metalloid stairstep is a metal, and everything to the right is a nonmetal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Astatine is commonly regarded as a nonmetal, less commonly as a metalloid and occasionally as a metal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Astatine, which is usually classified as a nonmetal or a metalloid, has been predicted to have a metallic crystalline structure. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Also, some allotropes of selenium display characteristics of a metalloid, even though selenium is usually considered a nonmetal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A brittle, mildly toxic, rare, silver-white metalloid which looks similar to tin, tellurium is chemically related to selenium and sulfur. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The end of this row shows the average number of elements per metalloid list. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. During the 1920s the two meanings of the word metalloid appeared to be undergoing a transition in popularity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Use of the term metalloid subsequently underwent a period of great flux up to 1940. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has been referred to as either a very poor metal, a metalloid, a nonmetal or a near metalloid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because of its position in the periodic table, polonium is sometimes classified as a metalloid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has since been applied to any other similarly toxic metal, or metalloid such as arsenic, regardless of density. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of metalloid These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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