photoelectric threshold

noun Physics.

the minimum frequency or maximum wavelength of incident radiation necessary to release photons from a given surface.

Nearby words

  1. photoelectric cell,
  2. photoelectric current,
  3. photoelectric effect,
  4. photoelectric magnitude,
  5. photoelectric meter,
  6. photoelectricity,
  7. photoelectron,
  8. photoelectrotype,
  9. photoemission,
  10. photoeng. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019