One of the mysteries of the English language finally explained.
Each of two or more forms of a compound which have the same structure but are mirror images of each other and typically differ in optical activity.
- ‘Its origins lie with Louis Pasteur's discovery of optical isomers.’
- ‘When they constructed models of organic compounds using tetrahedral atoms, they were able to explain a number of phenomena, including the existence of optical isomers, first discovered by Louis Pasteur in 1848.’
- ‘An interesting observation was that Compound D is identical to Compound Q except that they are optical isomers.’
- ‘A powerful tool to study the mechanism by which cholesterol modifies the function of ion channels is the substitution of endogenous cholesterol with its optical isomer, epicholesterol.’
- ‘Two other chemical groups are attached to this hexagon, but each can attach at two different angles, resulting in four different versions, or optical isomers.’
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