noun. One who economizes; one who uses money, material, time, etc., economically or sparingly.

noun. 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.

noun. Also spelled economiser.

noun. 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.

noun. One who, or that which, economizes.

noun. Specifically: (Steam Boilers) An arrangement of pipes for heating feed water by waste heat in the gases passing to the chimney.

noun. A person who avoids waste

noun. A heat exchange device in a boiler that improves efficiency and saves fuel

noun. a frugal person who limits spending and avoids waste

"Everything that I've said might make it seem like I don't, but the fact is that I LOVE Stirling engines (Though I hate calling them that, since Stirling did not invent them, but rather patented the "economizer" a device that improves their efficiency)."

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