The viscosity of a crude oil affects our ability to pump it out of the ground; the viscosity and volatility of a fuel affect how easy it is to atomize in the fuel injector; the viscosity of a lubricant affects its ability to protect an engine.
ramus (plural rami) ( 1 biology) A branching, as of nerves or blood vessels. ( 2 ornithology) The stem of a barb of a feather, from which the barbules extend. ( 3 anatomy) A bony projection, particularly of the jaw, but also in the groin area, both subject to the maturing process of symphysis.
Top Definition. ram air. A tendency one has leaving their mouth slightly open exposing their teeth, gums, and even tongue. In most cases, the jaw is shut or close to being shut, however the lips are not. Examples of this are often found with white males.