semimetal
/ˈsɛmɪmɛt(ə)l
/noun Chemistry
An element (e.g. arsenic, antimony, or tin) whose properties are intermediate between those of metals and solid non-metals or semiconductors.Separating them are metalloids or semimetals....
- There is no sharp dividing line between the metals and nonmetals; the metalloids, also called semimetals, form a buffer between the two.
- Typical examples would include metal oxides, metal and semimetal nitrides.
Derivatives
semimetallic
- The latter are good quality - hard, dense, semimetallic, and capable of taking a high polish.
- Semimetallic friction material was introduced in the late 1960s and has gained widespread usage in the mid-1970s.
- Semimetallic gaskets are designed for medium and high-pressure applications, and offer a high degree of safety.
Origin
Mid 17th century: from modern Latin semimetallum (see semi-, metal).