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Metalloid - Dictionary Definition and Overview |
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Metalloid : adj : of or being a nonmetallic element that has some of the
properties of metal; "arsenic is a metalloid element"
Based on WordNet 2.0
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Metalloid : \Met"al*loid\, a.
1. Having the appearance of a metal.
2. (Chem.) Having the properties of a nonmetal; nonmetallic;
acid; negative.
Based on Webster's Revised Unabridged Dictionary
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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 H. 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.
Based on Webster's Revised Unabridged Dictionary (1913)
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