The resistivity of a substance expressed in terms of a wire of unit length and mass (rather than unit length and cross-sectional area), equal to the product of the volume resistivity and the density.
Origin
Early 20th century; earliest use found in Joseph Thomson (1856–1940), physicist.
Definition of mass resistivity in US English:
mass resistivity
noun
Physics
The resistivity of a substance expressed in terms of a wire of unit length and mass (rather than unit length and cross-sectional area), equal to the product of the volume resistivity and the density.
Origin
Early 20th century; earliest use found in Joseph Thomson (1856–1940), physicist.