A Dolem that appears together with the Aurora Borealis and froms a phase space to sink objects into the ground. It also appeared 14 years ago, and obliterated 8 cities and 6 million people.
In musical terms Ritardando' means immediate slowing down.
ri·tar·dan·do (rtär-dänd) adv. & adj. Music Gradually slowing in tempo; retarding. Used chiefly as a direction.