Pronunciation: (hum'bōlt; for 1, 2, also Ger. hoom'bôlt), [key]
1. Frie•drich Hein•rich A•lex•an•der Pronunciation: (frē'drikh hīn'rikh ä"lek-sän'dur), [key] Baron von Pronunciation: (fun), [key]1769–1859, German naturalist, writer, and statesman.
2. his brother,(Karl) Wil•helm Pronunciation: (kärl vil'helm), [key] Baron von, 1767–1835, German philologist and diplomat.
3. a town in NW Tennessee. 10,209.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.