Pronunciation: (ep'u-mur), [key]
either of a pair of isomeric aldose compounds, esp. of certain sugars, that differ from each other in the positions of the H and OH at the second atom from the end of the carbon chain, as d-glucose and d-mannose. Also,e•pim•er•idePronunciation: (u-pim'u-rīd"). [key]
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.