KnowraHair dryerHair dryerAn electrical appliance that moves air across a heating element, or uses unheated airflow, to dry and style hair.BriefConnectElectric motor: A device that converts electrical energy into mechanical motion. It spins the fan that pushes air through the dryer.Evaporation: The change of a liquid into vapor at its surface. Water leaves hair as vapor when airflow and heat promote evaporation.Hair styling: The practice of arranging hair into a desired shape or appearance. Directed heat and airflow can shape hair while it dries.Air drying: Drying hair or another wet material through exposure to surrounding air without powered heating. It avoids appliance heat and electricity but usually takes longer.Fan: A rotating machine that moves air or another gas. Its blades create the airflow that carries heat to wet hair.Convection: Heat transfer through the movement of a fluid such as air or water. Moving air transfers heat to hair and carries water vapor away.Diffuser (hair dryer attachment): A hair-dryer attachment that spreads airflow over a wider area. It distributes air gently, helping maintain the shape of curls.Heated air: Air whose temperature has been raised by an external energy source. The dryer can operate without this added heat, relying on airflow alone.Nichrome: An alloy of nickel and chromium used in electrical resistance heating elements. Its resistance wire heats the air as current passes through it.Relative humidity: The ratio of water vapor in air to the maximum amount it can hold at a given temperature. Humid air accepts less additional vapor, which can slow drying.Show all 21Linked from 2 pagesHairbrushRelated: A round brush and dryer are commonly used together for blow-drying styles.Hair ironCompared with: Unlike an iron’s direct contact, a dryer transfers heat mainly through moving air.