Stasis was the state of making time stand still.

In the Leisure Hive on Argolis, Romana and Hardin used tachyons to achieve stasis on an hourglass. (TV: The Leisure Hive)

On Logopolis, the Logopolitans used sonic projectors to create a temporary zone of stasis around the Doctor's TARDIS. (TV: Logopolis)

In 1941 London, Jack Harkness temporarily placed a German bomb in stasis. (TV: The Doctor Dances)

After the Hornets departed Antonio's body, the Fourth Doctor took it to Nest Cottage, placed it in stasis, and used it as a garden gnome. (AUDIO: The Circus of Doom)

An Eternity Cage was a Time Lord prison during the Last Great Time War, holding captives in a timeless environment. After crashing Vassarian attempted to place himself in his Eternity Cage to wait out his TARDIS repairing itself only to begin a regeneration as the stasis took effect, burning through his life cycle when the regeneration could not complete. (AUDIO: The Eternity Cage)