Definition of potential barrier in English:

potential barrier

Syllabification: po·ten·tial bar·ri·er


  • A region within a force field in which the potential is significantly higher than at points on 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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Word of the day skosh
Pronunciation: skōSH
a small amount; a little