redistributionredistribution reactionredox polymerredox reactionreduced timereduced variablesreduced viscosityreelrefinerreflecting planereflectionreflectometerrefluxreflux condensorreformingreformulationrefractionrefractive indexrefractometerregainregain moistureregenerativeregioisomerregioregularityregioselectiveregiospecificregression equationreinforced ceramicreinforced metalreinforced molding compoundreinforced plasticreinforcementrelative adsorptivityrelative humidityrelaxationrelaxation peakrelaxed orientationrelayrelease agentrelease valverelief printrelief valveremanence magneticremovalreorientationrepair arearepeatative reactionrepeating unitrepetition raterepulsion
