Aldehyde radical is a term used to describe a chemical functional group that contains a carbonyl group (-C=O) at one end and a hydrogen atom (-H) on the other end. Synonyms for this term include: aldehyde group, formyl group, and CHO group. The aldehyde group is an important functional group found in various organic compounds like aldehydes, ketones, carboxylic acids, and esters. The aldehyde group plays a significant role in various biological processes such as metabolism, cellular signaling, and enzymatic reactions. Hence, understanding the synonyms for aldehyde radical is crucial for students, researchers, and chemists interested in various fields of science.