Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A person who avoids waste
  • n. A heat exchange device in a boiler that improves efficiency and saves fuel

from the GNU version of the Collaborative International Dictionary of English

  • n. One who, or that which, economizes.
  • n. Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.

from The Century Dictionary and Cyclopedia

  • n. One who economizes; one who uses money, material, time, etc., economically or sparingly.
  • n. In engineering, an apparatus by which economy, as of fuel, is effected; specifically, one in which waste heat from a boiler or furnace is utilized for heating the feed-water.
  • n. Also spelled economiser.
  • n. Specifically— In fog-signaling on British railways, a device by which the detonation of one track-torpedo on the rail by the passage of the engine-wheels removes the second one in series before the wheels reach it.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a frugal person who limits spending and avoids waste

Etymologies

economize +‎ -er (Wiktionary)

Examples

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