ile
- An obsolete or poetic form of the word 'isle', meaning a small island. nounThe ship sailed past the tranquil ile, its shores lined with palm trees.In the distance, the lone ile stood against the horizon, a solitary dot in the vast ocean.
- A suffix used in chemistry to denote certain types of compounds, particularly amino acids, such as isoleucine. suffixIsoleucine, often abbreviated as Ile, is an essential amino acid in the human diet.The protein structure was analyzed to determine the position of Ile residues.