metalloid

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English[edit]

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Etymology[edit]

metal +‎ -oid.

Noun[edit]

metalloid (plural metalloids)

  1. (chemistry) An element, such as silicon or germanium, intermediate in properties between that of a metal and a nonmetal; especially one that exhibits the external characteristics of a metal, but behaves chemically more as a nonmetal.
  2. (chemistry, obsolete) The metallic base of a fixed alkali, or alkaline earth; applied to sodium, potassium, and some other metallic substances whose metallic character was supposed to be not well defined.
    (Can we find and add a quotation of Sir Humphry Davy to this entry?)

Translations[edit]