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.
ramus autonoÂ´micus any of the branches of the parasympathetic or sympathetic nerves of the autonomic nervous system.ramus commuÂ´nicans a branch connecting two nerves or two arteries.amus (rÄÂ´mÉs) , n 1. a branch of an artery, nerve, or vein. In the. Basle Nomina Anatomica terminology, the term ramus is given to a primary division of a nerve or blood vessel.