Alanine

\Al"a*nine\, n. [Aldehyde + the ending -ine. The -n- is a euphonic insertion.] (Chem.) A white crystalline base, C3H7NO2, derived from aldehyde ammonia.

 
Source: Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.

Alanine

n : a crystalline amino acid that occurs in many proteins

Source: WordNet ® 1.6, © 1997 Princeton University