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metalloid

noun [C]
 
 
/ˈmet.əl.ɔɪd/ US  /ˈmet̬-/ specialized

Definition

a chemical element with some of the properties of a metal and some of a non-metal, for example silicon and arsenicChemical elements
(Definition of metalloid noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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