Having a relatively high fusing temperature; specifically designating a dental ceramic or alloy with a fusing temperature above either 1065°C (the melting point of gold) or c1300°C.
Origin
Late 19th century.
Definition of high-fusing in US English:
high-fusing
adjective
Having a relatively high fusing temperature; specifically designating a dental ceramic or alloy with a fusing temperature above either 1065°C (the melting point of gold) or c1300°C.