IPA: /mɛˈtælɔɪdəl/
KK: /mɛˈtælɔɪdəl/
Relating to or having the properties of a metalloid, which is a type of element that has characteristics of both metals and nonmetals.
Silicon is considered a metalloidal element because it exhibits properties of both metals and nonmetals.
Metalloidal → It is formed from "metallum" (meaning metal) and "-oid" (meaning resembling or like). The word "metalloidal" describes something that resembles or has characteristics of a metal.
Think of 'metal' and remember that 'metalloidal' means something that is like or resembles metal.