Meaning of ground substance

ground' sub"stance

Pronunciation: [key]
— Biol. Biol.
  1. Also calledthe homogeneous substance in which the fibers and cells of connective tissue are embedded.
  2. Also calledthe clear portion of the cell cytoplasm; cytosol.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.