The term GLYCERIDE, E.G. is an ESTER, which is a type of organic compound formed from the reaction of an acid with an alcohol. The crossword solution for this term is 'ESTER', which is a five-letter word. An ESTER is a compound that is formed when an acid reacts with an alcohol, and glycerides are a type of ESTER that contain a glycerol molecule. Glycerides are commonly found in fats and oils, and they are important components of many biological processes.