

aa
/ΛΙΛ.ΙΛ/ /ΛΙ.Ι/









adjective
Initialism of arctic-alpine.




noun
Any of the twenty naturally occurring Ξ±-amino acids (having the amino, and carboxylic acid groups on the same carbon atom), and a variety of side chains, that combine, via peptide bonds, to form proteins.


noun
A long-chain polyunsaturated fatty acid, having 20 carbon atoms and four double bonds, found in animal fats; it is essential for human nutrition, being a precursor to the production of prostaglandins.

adjective
