Economizer

noun

Definitions

Noun
  1. 1
    A person who avoids waste
  2. 2
    a frugal person who limits spending and avoids waste wordnet
  3. 3
    A heat exchange device in a boiler that improves efficiency and saves fuel.

Etymology

From economize + -er.

Next best steps

Mini challenge

Unscramble this word: economizer