economizer

• 指节约资源、避免浪费的人，也指节省燃料或能源的装置。

A noun referring to a person who is frugal and avoids waste by carefully limiting spending and resources.

1. frugal personB1formal

   A person who avoids unnecessary spending and uses resources carefully to minimize waste.

   节俭的人

   • My grandfather is a real economizer; he saves every penny he can.
   • Being an economizer, she always buys items on sale and never splurges.
   • He grew up in a family of economizers, so he learned to manage money wisely.
   • As an economizer, she prefers homemade meals over eating out.

   同义词cheapskatemiserpenny pinchersaverskinflinttightwad

   反义词profligatespendthriftsquandererwaster

2. mechanical deviceC1formaltechnical

   A device used in heating systems or industrial processes to recover heat and reduce fuel consumption.

   省煤器

   • The factory installed an economizer to lower energy costs.
   • The boiler's economizer preheats the feedwater using exhaust gases.
   • Engineers recommended an economizer for the new power plant.
   • Regular maintenance of the economizer ensures optimal efficiency.

   同义词heat exchanger