Definition of afterpotential in English:

afterpotential

noun

Physiology
  • A smaller wave following a spike in an action potential; the changes in electrical potential across a cell membrane that this represents.

Origin

1930s. From after- + potential.

Pronunciation:

afterpotential

/ˈɑːftəpəˌtɛnʃl//ˈaftəpəˌtɛnʃl/