oscillation dooroscillatoroscillatory waveoscillogramoscillographosmosisosmoticosmotic concentrationosmotic pressureottawa sandout of balance stress distributionout of phase componentout of position weldoutcropoutdoor livingouter connectionouter flowouter markerouter ring roadoutfalloutfall channeloutflowoutletoutlet channeloutlet cross sectionoutlet lossoutlet loss coefficientoutlet transitionoutlieroutlineoutputoutrigger jackoutside diameteroutside lightingoutside traffic laneoutstanding part of flangeoutwashoutwash plainovalovalling deformationovenovendriedovendry densityovendry weightover reinforcedover reinforced beamover spillway storageoverall efficiencyoverall projectoverall stability