from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A colorless unsaturated aliphatic hydrocarbon, C30H50, found especially in human sebum and in the liver oil of sharks, that is an intermediate in the biosynthesis of cholesterol and is used in biochemical research.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A triterpene hydrocarbon found in shark liver oil and in human sebum; it plays a role in the biosynthesis of steroids.
New Latin Squalus, shark genus (from its occurrence in the liver oil of sharks) (from Latin squalus, a sea fish) + -ene.(American Heritage® Dictionary of the English Language, Fourth Edition)