ADJ.
electrical, excellent
VERB + CONDUCTIVITY
band, hole
noun
The ability of a material to conduct electricity, heat, fluid or sound
The reciprocal of resistivity
noun — the transmission of heat or electricity or sound
A silicon crystal with a band gap in which an impurity level is created near the top of the valence band has hole conductivity.
Gold’s resistance to corrosion and its excellent electrical conductivity makes it very useful in the electronics industry, especially in smart phones.