economizer

/-zə(r)/ (ame, mw)

economizer — 名詞

1. A device that catches heat that would usually escape from a system and uses it t

1.名詞C2
釋義

餘熱回收器

回收廢熱的裝置

A device that catches heat that would usually escape from a system and uses it to warm water or air before the main heating process.

例句

The factory added an economizer to the boiler to cut fuel costs.

工廠在鍋爐上加裝了餘熱回收器，以降低燃料成本。

economizer on a boiler to save fuel

Nadia inspected the economizer after the hotel's heating bill suddenly rose.

Nadia 在飯店暖氣費突然上升後檢查了那個餘熱回收器。

inspect an economizer when heating costs rise

同義詞
  • heat exchanger

    a broader term for equipment that transfers heat; an economizer specifically saves energy by reusing heat that would otherwise be lost

  • recuperator

    a more technical word for a heat-recovery device, especially in industrial systems

  • preheater

    emphasizes warming air or water before the main heating stage, rather than the full energy-saving function

文法句型

an + economizer

install an + economizer + on + [boiler]

economizer + for + heat recovery

用法筆記

This word is mainly used in technical contexts such as boilers, furnaces, and heating systems. It usually refers to equipment that reuses heat from exhaust gas or other waste heat before that energy is lost.

常見錯誤

❌My uncle is an economizer and never spends much money.
✅My uncle is thrifty and never spends much money.
💡In current English, 'economizer' usually names a device that saves heat or fuel, not a careful spender.