1.A device designed to make a machine or system more energy-efficient.
‘In addition, Blackburn and his employees rebuilt both of the university’s 60,000-pound, water-tube boilers and added economizers to them.’
‘Motion sensors that control lights in classrooms stayed as well, as did the economizers that allow HVAC systems to operate on 100 percent fresh air when the outside temperature meets the inside temperature demand.’
2.A person who reduces expenditure.
‘Mississippianization became a logical solution to population stress and concomitant problems of resource allocation in a society of rational economizers.’
‘In ministerial posts under Aberdeen and Palmerston, including colonial secretary, he stood out as an administrative reformer and economizer.’
名词 变体/同根词
‘In addition, Blackburn and his employees rebuilt both of the university’s 60,000-pound, water-tube boilers and added economizers to them.’
