from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A betaine commonly occurring in the liver and in skeletal muscle that functions in fatty acid transport across mitochondrial membranes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A betaine 3-hydroxy-4-trimethylammonio-butanoate that occurs in the liver and has a function in fatty acid transport
German Karnitin, from Karnin, a basic substance derived from meat, from Latin carō, carn-, flesh; see carnal.(American Heritage® Dictionary of the English Language, Fourth Edition)