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Meaning of dextrorotatory

dex•tro•ro•ta•to•ry

Pronunciation: (dek"strō-rō'tu-tôr"ē, -tōr"ē), [key]
— adj. Optics.
  1. turning to the right, as the rotation to the right of the plane of polarization of light in certain crystals and the like. Symbol: d-
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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