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.
In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids.Fluids can be defined as substances that have zero shear modulus or in simpler terms a fluid is a substance which cannot resist any shear force applied to it.lthough the term fluid includes both the liquid and gas phases, in common usage, fluid is often used as a synonym for liquid, with no implication that gas could also be present.