Plunge pool softer or fractured rock has been eroded back to a knickpoint, water continues to bombard its base. Because this rock is often less resistant than overlying strata, the water from the higher elevation continues eroding downward until an equilibrium is achieved. A somewhat similar bowl-shaped feature developed by flowing water, as opposed to falling water, is known as a scour hole. These occur both naturally and as a result of bridge building. Plunge pool A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It
Plunge dip A liquid product used to treat the livestock by immersion in a plunge dip is also known as a "dip" (e.g. sheep dip). Plunge dip A plunge dip (or simply, a dip) is a bath designed to immerse livestock in liquid pesticide or other treatment. Typically a dip is designed as a narrow channel (about the width of the animal) through which the animals walks along through into progressively deeper liquid until the animal is immersed (apart from its head so it can breathe) and then becomes progressively shallower until the animal exits the channel. As many animals can be