dextrorotatory

(dĕk'strə-rō'tə-tôr'ē, -tōr'ē) also dex·tro·ro·ta·ry (-rō'tə-rē)
adj. (Symbol d-)
Of or relating to an optically active chemical that rotates the plane of polarized light to the right, or clockwise: a dextrorotatory solution.

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Denoting a chemical compound that rotates the plane of polarization of plane-polarized light to the right (clockwise as observed by someone facing the oncoming radiation). See optical activity.

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designation for a dextrorotatory (R in Latin for rectus or right) optical isomer. See S, RS, Optical Isomers.

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or (US) dextrorotary

1. symbol: (+)- or (formerly) d-; describing a chemical compound that rotates the plane of polarization of a transmitted beam of plane-polarized light to the right, i.e. in a clockwise direction as viewed by an observer looking toward the light source.
2. describing any rightwards or clockwise rotation. Compare levorotatory.

—dextrorotation n.

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Turning the plane of polarization, or rays of light, to the right.

(dek′strōrō′tətôrē)
adj

Turning the plane of polarization, or rays of polarized light, to the right.