metalloid


metalloid

noun

  1. a nonmetal that in combination with a metal forms an alloy.
  2. an element that has both metallic and nonmetallic properties, as arsenic, silicon, or boron.

adjective

  1. of or relating to a metalloid.
  2. resembling both a metal and a nonmetal.

noun

  1. a nonmetallic element, such as arsenic or silicon, that has some of the properties of a metal

adjective Also: metalloidal (ˌmɛtəˈlɔɪdəl)

  1. of or being a metalloid
  2. resembling a metal

  1. An element that is not a metal but that has some properties of metals. Arsenic, for example, is a metalloid that has the visual appearance of a metal, but is a poor conductor of electricity; metalloids are generally semiconductors. The elements classified as metalloids are boron, silicon, germanium, arsenic, antimony, tellurium, and polonium. Metalloids can be viewed as a diagonal section on the Period Table, separating metals from nonmetals.
  2. A nonmetallic element, such as carbon, that can form alloys with metals.

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