extender

Noun

extender (plural extenders)

1. One who extends.
   • The public has learned to accept the services of physician extenders as a substitute for a qualified medical doctor, but the medical profession itself will, I daresay, continue to erect substantial barriers to any policy or effort that directly affects income.1983 June 2, “'PHYSICIAN EXTENDERS' READY TO FILL A GAP THAT DIDN'T DEVELOP”, in The New York Times
   • [Marc Jacobs] is a colonialist, an extender of brands, and in very good shape.2010 November 10, John Caramanica, “Monopoly by Marc Jacobs”, in The New York Times
2. Any of various substances designed to extend any of several properties of a material.
   • “Flour” routinely contained crushed stone or gypsum as a cheap extender.2018 November, Deborah Blum, “When Milk Was Full of Calf Brains”, in The Atlantic
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".