[lip-uh-fuhs-in, lahy-puh-]

noun Biochemistry.

any of several brown pigments similar to melanin that accumulate in animal cells with age and are products of oxidation of lipids and lipoproteins.

Nearby words

  1. lipodermoid,
  2. lipodystrophy,
  3. lipoedema,
  4. lipofibroma,
  5. lipofilling,
  6. lipofuscinosis,
  7. lipogenesis,
  8. lipogram,
  9. lipogranuloma,
  10. lipogranulomatosis

Origin of lipofuscin

1920–25; < German, equivalent to lipo- lipo-1 + Latin fusc(us) dark, tawny + German -in -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for lipofuscin


[lĭp′ō-fŭsĭn, -fyōōsĭn]


Brown pigment granules representing lipid-containing residues of lysosomal digestion.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.