What does prop. stand for?

Property

A chemical property is a property or behavior of a substance when it undergoes a chemical change or reaction.

Propellor

Proprotor

Propellant

 A chemical or chemical mixture burned to create the thrust for a rocket or spacecraft. 1. A mixture of fuel and oxidizing agent that reacts to produce a high-energy stream of product gases that can produce thrust. 2. A compressed gas used to push a material through a nozzle, forming an aerosol or a foam. For example, nitrogen or propane are used as propellants for shaving cream; nitrous oxide is used as a propellant for whipped cream. The gas used to expel materials from aerosol containers.

Proportioning

Propulsion

 The process of driving or propelling.

Propulsion Engineer

Amount of propionate infused as percent of rumen total volatile fatty acids

Propeller

A propulsive device consisting of a boss or hub carrying radial blades, from two to four in number. The rear or driving faces of the blades form portions of an approximately helical surface, the axis of which as the center line of the propeller shaft.