extender

1. One who extends.

2. Any of various substances designed to extend any of several properties of a material.

3. Any of various components designed to extend the length of a device.

4. Any substance added to food to bulk it out, with a higher protein content than a filler.

   Soy protein is used as a meat extender.

5. A runner, or quick-draw.

6. A phrase that extends an expression to include further members of a set, e.g. "and stuff", "or something".

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