Dictionary
ex•tend•er
Pronunciation: (ik-sten'dur), [key]—
n.
1. a substance added to another substance, as to paint or food, to increase its volume or bulk:
to add cereal and soy protein to hamburger as extenders.
2. Photog.See under
converter (def. 8).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.