Isopropyl Rubbing Alcohol. Most rubbing alcohol is made from isopropyl alcohol or isopropanol in water. It is common to find isopropyl rubbing alcohol at concentrations from 68% alcohol in water up to 99% alcohol in water. The 70% rubbing alcohol is highly effective as a disinfectant.
fluid - a substance that is fluid at room temperature and pressure. 1  substance - the real physical matter of which a person or thing consists; DNA is the substance of our genes.
Fluid Phenomena. Definition (Fluid): Any liquid or gas that cannot sustain a shearing force when at. rest and that undergoes a continuous change in shape when subjected to such a. stress. Compressed fluids exert an outward pressure that is perpendicular to the. walls of their containers.