from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A natural amine, C5H15NO2, often classed in the vitamin B complex and a constituent of many other biologically important molecules, such as acetylcholine and lecithin.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A hydroxy quaternary ammonium compound with formula (CH3)3N+CH2CH2OHX−. It is an essential nutrient for cardiovascular and brain health and for cell membrane formation. Discovered by Andreas Strecker in 1862.
from the GNU version of the Collaborative International Dictionary of English
- n. See neurine.
from The Century Dictionary and Cyclopedia
- n. A basic substance (C5H15NO2) which is widely distributed in the animal organism, but is most abundant in the bile, in the brain (as a constituent of lecithin), and in the yolk of eggs. It is very deliquescent, and crystallizes with difficulty. Also cholein and neurine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a B-complex vitamin that is a constituent of lecithin; essential in the metabolism of fat
Sorry, no etymologies found.