economizer

Definition of Economizer in English :

1. economiser, economizer

a frugal person who limits spending and avoids waste

WordNet Lexical Database for English. Princeton University. 2010.

Economizer

noun

1.

a device that uses the waste heat from a boiler flue to preheat the feed water

2.

a person or thing that economizes

v. e·con·o·mized, e·con·o·miz·ing, e·con·o·miz·es

v.intr.

1. To practice economy, as by avoiding waste or reducing expenditures.

2. To make economical use of something: "The best that can be said for this method is that it economizes on thought" (Christopher Hitchens).

v.tr.

To use or manage with thrift: the need to economize scarce energy resources.