lipofuscin: Meaning and Definition of

lip•o•fus•cin

Pronunciation: (lip"u-fus'in, lī"pu-), [key]
— n. Biochem.
  1. any of several brown pigments similar to melanin that accumulate in animal cells with age and are products of oxidation of lipids and lipoproteins.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.