abruption

plural abruptions

1. archaicA sudden termination or interruption.First known use First attested in the early 17ᵗʰ century.
2. A sudden breaking off or breaking away; a violent separation of bodies.First known use First attested in the mid 17ᵗʰ century.

   By this abruption posterity lost more instruction than delight.

   1837, Samuel Johnson, The Life of Cowley

   1 more example

   After a startling abruption and a slow recovery, the canonic process is resumed at [7], with a whole slew of redundant entries on the last phrase.

   1996, Richard Taruskin, Stravinsky and the Russian Traditions, page 336