basculate

Shaped like a basket;

The peridial strand of a basculate aecium is so sensitive to moisture that simply breathing on the open peridium is sufficient to close it immediately.

To oscillate or to tilt or pivot like a seesaw.

It shortens the length of the lever arm by means of which the weight of the body and the Achilles tendon tendon makes the calcaneum basculate by carrying its posterior extremity up and the large apophysis down.

It communicates with a spiral copper tube which, by dilatation under the action of the vapours evolved, produces a displacement of the end of the tube which causes a lever to basculate a mercury interruptor.

To alternate or transition.

The magnetic poles of the planet could basculate.

But even if the market is initially in the stable phase, there is a non-zero probability that a random shock may cause the system to basculate over into the unstable phase, resulting in a sudden drop in the price: a market crash.