band·​gap | \ ˈband-ˌgap \

Definition of bandgap

: the difference in energy between the valence band and the conduction band of a solid material (such as an insulator or semiconductor) that consists of the range of energy values forbidden to electrons in the material

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First Known Use of bandgap

1965, in the meaning defined above

History and Etymology for bandgap

band entry 1 + gap

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The first known use of bandgap was in 1965

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Cite this Entry

“Bandgap.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2020.

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