from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A basic, long-chain, unsaturated amino alcohol, C18H37NO2, found combined with lipids in the brain and in nerve tissue.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An unsaturated aliphatic amino alcohol associated with the lipids of brain tissue
German Sphingosin : Greek sphingos, genitive of sphinx, sphinx (from the mysteries it presented to early observers) + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)