from The American Heritage® Dictionary of the English Language, 4th Edition
- Helmholtz, Hermann Ludwig Ferdinand von 1821-1894. German physicist and physiologist who formulated the mathematical law of the conservation of energy (1847) and invented an ophthalmoscope (1851).
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. German physiologist and physicist (1821-1894)
Sorry, no etymologies found.