met·al·loid
| \ ˈme-tə-ˌlȯid
\
1
: an element intermediate in properties between the typical metals and nonmetals
2
: a nonmetal that can combine with a metal to form an alloy
\ ˌme-tə-ˈlȯi-dᵊl
\
variants:
or less commonly metalloidal
2
: of, relating to, or being a metalloid