stillstand

/S T IH1 L S T AE0 N D/
verb
  1. 1

    (geology) To cease in either glacial advance or retreat.

noun
  1. 1

    (geology) A period of time during which the terminus of a glacier remains stationary.

  2. 2

    (geology) A period of geologic time during which eustatic sea level stays apparently constant, relative to adjacent periods of geologic time, neither characterized by transgression, nor regression.

  3. 3

    (obsolete) A standstill.