Field glossaryMakeupFresh water added to replace evaporation, drift, and blowdownUsed across 2 Anvilfield field guides, most in HVAC. Where this shows upHVACCooling tower types and operationHVACCooling tower commissioning Related termsApproachBlowdown / bleedCycles of concentrationDriftRangeWet-bulb Back to the full field glossary