allocycle

== English == === Etymology === From allo- +‎ cycle, coined by geologists. === Noun === allocycle (plural allocycles) (geology, civil engineering) A cycle in rock formation whose major forces come from outside the formation via tectonics, volcanism, climate change, or other outside forces, as contrasted with being contained within the formation. Coordinate term: autocycle ==== Derived terms ==== allocyclic (adjective)