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.
â¢ LIQUID (noun) The noun LIQUID has 4 senses: 1. a substance that is liquid at room temperature and pressure. 2. the state in which a substance exhibits a characteristic readiness to flow with little or no tendency to disperse and relatively high incompressibility. 3. a substance in the fluid state of matter having no fixed shape but a fixed volume.