plural autofluorescences
Definition of autofluorescence
: fluorescence emitted naturally by a biological substance
In ultraviolet light, the material has a yellow to silvery autofluorescence that differs from the orange autofluorescence of lipofuscin.— Robert S. Rust and Diane Karluk, New England Journal of Medicine, 29 Aug. 2002 Spectral-imaging technologies will discriminate emissions from multiple fluorescent probes, permitting simultaneous analysis of distinct optical probes and dramatically reducing background autofluorescence.— Harvey R. Herschman, Science, 24 Oct. 2003
Test Your Vocabulary
Name That Food
-
- Name these cookies!

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share autofluorescence
Time Traveler for autofluorescence
The first known use of autofluorescence was in 1916
See more words from the same year