Update: Well combining word in my book says its the root word plus the combining vowel. So in cardiology, the word cardi is the root word meaning heart and the O (combining vowel) connects it to LOGY which means the study of. So the combining word would be cardi/o (cardio) But I cant seem to figure out these bigger... show more Well combining word in my book says its the root word plus the combining vowel. So in cardiology, the word cardi is the root word meaning heart and the O (combining vowel) connects it to LOGY which means the study of. So the combining word would be cardi/o (cardio) But I cant seem to figure out these bigger words. 1 following.
heat exchanger - device that transfers heat from one liquid to another without allowing them to mix. device - an instrumentality invented for a particular purpose; the device is small enough to wear on your wrist; a device intended to conserve water.
Yes, your heat exchanger can rustâand thatâs not good. A heat exchanger is made of metal, and that means it can rust. Even though a furnace does not use water for its operation the way a boiler does, rust results as a natural part of the reaction of combustion by-products and the heat exchangerâs metal surface.