| d- |
a chemical prefix indicating an enantiomer that rotates the plane of polarization of a beam of light in the clockwise direction (dextrorotatory), the other enantiomer being specified as l- (for levo). NOTE: The prefixes d- and l- are now being replaced by (+)- and (-)-, respectively, especially when the prefixes D- and L- are also used, e.g., l-fructose is D-(-)-fructose.
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|---|---|
| d |
density; diameter.
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| dl- |
chemical prefix used with the d and l convention to indicate a racemic mixture of enantiomers; the prefix (±)- is used with the same meaning.
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| E- |
a stereodescriptor used to specify the absolute configuration of rigid compounds, such as those having double bonds. The substituents attached to the double-bonded carbons are ranked according to the Cahn-Ingold-Prelog sequence rules; then if the higher priority substituents are on the same side of the double bond the configuration is Z, otherwise E. In the simple case when both carbons have the same pair of substitutents, Z- is equivalent to cis-, E- to trans-.
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| E |
elastance; energy; expectancy; electromotive force; illumination; electric intensity; redox potential.
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