noun🔗ShareÉnantiomèreOne of a pair of stereoisomers that is the mirror image of the other, but may not be superimposed on this other stereoisomer. Almost always, a pair of enantiomers contain at least one chiral center, and a sample of either enantiomer will be optically active."The drug ibuprofen exists as two enantiomers, but only one of them effectively reduces pain. "Le médicament ibuprofène existe sous deux énantiomères, mais un seul d'entre eux réduit efficacement la douleur.chemistrybiochemistrycompoundscienceChat with AIVocabulary GamePractice Reading