Definition of potential barrier in English:

potential barrier

Line breaks: po¦ten|tial bar|rier

noun

Physics
  • A region within a force field in which the potential is significantly higher than at points either side of it, so that a particle requires energy to pass through it.
    More example sentences
    • There are radioactive nuclei that behave as if they contain certain constituents, called particles, that are trapped within the nucleus by a potential barrier generated by the nuclear forces.
    • As long as the surface tension in the drop is larger than the repulsive Coulomb force due to the protons, a potential barrier prevents it from splitting.
    • Electrostatic calculations revealed a potential barrier in the water phase some 0.5-1 nm away from the membrane surface.

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Pronunciation: skəʊʃ
noun
a small amount; a little