Definition of termination shock in English:

termination shock

noun

Astronomy
  • A shock wave occurring at the point at which a flow is slowed to subsonic speeds; specifically (in the solar system) the roughly spherical standing shock wave formed far beyond the orbit of Pluto where the solar wind encounters the interstellar medium and is slowed to subsonic speeds; the region of space occupied by this.

Origin

1970s; earliest use found in Israel Journal Technology.