semimetal
noun/ˈsemimetl/
/ˈsemimetl/, /ˈsemaɪmetl/
(British English) (also metalloid British and North American English)
(chemistry)- a chemical element that has properties both of metals and of other solid substancesWord Originmid 17th cent.: from modern Latin semimetallum (see semi-, metal).
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semimetal