dextrorotatory
Definition
- Adjective:
- Rotating to the right: In chemistry and physics, "dextrorotatory" describes a substance that rotates the plane of polarized light to the right (clockwise) when viewed in the direction of the light source. It is often abbreviated as d- or (+).
Usage
- The term is used almost exclusively in scientific contexts, particularly in optics, chemistry, and biochemistry, to describe the optical activity of chiral molecules like sugars and amino acids.
- It is the opposite of "levorotatory."
Examples
- Adjective:
- Dextrorotatory sugars, such as D-glucose, are commonly found in nature.
- The compound was identified as dextrorotatory because it rotated the plane of polarized light clockwise.
Advanced Usage
- "Dextrorotatory isomer": Refers to one of the two enantiomers (mirror-image forms) of a chiral molecule that exhibits this specific right-handed rotation.
- The pharmacological activity often differs between the dextrorotatory and levorotatory isomers of a drug.
Variants and Related Words
- Dextrorotation (n): The act or property of rotating to the right.
- The dextrorotation of the solution was measured with a polarimeter.
- Dextrorotary (adj): A less common synonym for "dextrorotatory."
Synonyms
- Right-handed (in the context of optical rotation).
- d- (chemical prefix).
- (+)- (symbol used in chemical nomenclature).
Antonyms
- Levorotatory (adj): Rotating to the left (counter-clockwise).
- l- (chemical prefix).
- (-)- (symbol used in chemical nomenclature).
Adjective
-
rotating to the right
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