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semimetalnoun [ C ]uk/ˈsemiːˌmetəl/ us/ˈsemiːˌmetəl/ also metalloid specialized

a chemical element with some of the properties of a metal and some of a non-metal, for example silicon and arsenic半金属

semimetal
Chemical elements:actinium, alkali metal, americium...
Types of chemical substance:acid, alkali, base...

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