What is wirewood resistor?

Answer 1

Your close, It's called a Wire Wound resistor. There are several types of resistors in use for electronics, the type is determined by it's construction.
A Carbon Comp. resistor is made up of .... you guessed it, carbon composition material which resists the flow of electrons, like blowing through different sized screens.
Film resistors work the same way, but they use a semiconducting film instead of a formed solid material.
Wire Wound resistors are actually 1 solid core wire wound around a ceramic rod.
In audio applications, a wire wound is the least detrimental to the sound, then film and composition. Wire wounds are the most expensive and get very large with high wattage values.

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