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metalloid a. 象金屬的,非金屬的,類似金屬性的
n. 非金屬,類似金屬,兩性金屬 象金屬的,非金屬的,類似金屬性的非金屬,類似金屬,兩性金屬 metalloid adj 1: of or being a nonmetallic element that has some of the properties of metal; " arsenic is a metalloid element" Metalloid \ Met" al* loid\, n. [ L. metallum metal - oid: cf. F. m[' e] tallo[" i] de.] ( a) Formerly, the metallic base of a fixed alkali, or alkaline earth; -- applied by Sir Humphrey Davy to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined. ( b) Now, one of several elementary substances which in the free state are unlike metals, and whose compounds possess or produce acid, rather than basic, properties; a nonmetal; as, boron, carbon, phosphorus, nitrogen, oxygen, sulphur, chlorine, bromine, etc., are metalloids. [ 1913 Webster]
Metalloid \ Met" al* loid\, a. 1. Having the appearance of a metal. [ 1913 Webster] 2. ( Chem.) Having the properties of a nonmetal; nonmetallic; acid; negative. [ 1913 Webster]
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