absentee rateabundanceaccelerationadult intelligenceairspeedalbedoangular accelerationangular velocityaspect ratioattendanceattrition rateaudioaveragebasal metabolic ratebatting averagebeats per minutebirthratebits per secondborderline intelligencecardiac outputcase-fatality proportioncase-to-infection proportioncentripetal accelerationcephalic indexchannel capacitycommensuratenesscontentcount per minutecrime ratedata ratedeathratedecelerationdose ratedouble timeeccentricityefficiencyemployee turnovererythrocyte sedimentation rateescape velocityextremely high frequencyextremely low frequencyfacial indexfemoral pulsefielding averagefigure of meritflowfluxfocal ratiofrequencygigahertzgolden sectiongroundspeedgrowth ratehematocrithertzhigh frequencyhospital occupancyhotel occupancyhypervelocityincidenceinfant deathrateinflation rateinfraredintelligence quotientisometryjerkkilohertzkilometers per hourknotload factorloadingloss ratiolow frequencyluminous fluxmach numbermagnificationmargin of profitmechanical advantagemedium frequencymegahertzmetabolic ratemileagemiles per hourmorbiditymuzzle velocityneonatal mortalityneutron fluxnyquist frequencynyquist rateoccupancy rateoddsorder of magnitudeoutput-to-input ratiopacepeculiar velocitypercentagepower loadingprevalenceprice-to-earnings ratioproductivityproportionproportionalitypulsequick timequotientradial pulseradial velocityradiant fluxradio frequencyraterate of returnratiorefractive indexrelative humidityrespiratory quotientrespiratory ratereturn on invested capitalrevolutions per minuterydbergsafety factorsampling frequencysampling ratescalesignal-to-noise ratiosolar constantspacingspan loadingspeedspeed of lightstationsteeragewaystoichiometrysuperhigh frequencytempoterahertzterminal velocitytime constantultrahigh frequencyunemployment ratevacancy ratevery high frequencyvery low frequencywave numberwing loadingwords per minute