dextrorotatory

[dek-stroh-roh-tuh-tawr-ee, -tohr-ee] /ˌdɛk stroʊˈroʊ təˌtɔr i, -ˌtoʊr i/
adjective, 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-.
Also, dextrorotary
[dek-stroh-roh-tuh-ree] /ˌdɛk stroʊˈroʊ tə ri/ (Show IPA).
Origin
1875-80; dextro- + rotatory
Related forms
dextrorotation
[dek-stroh-roh-tey-shuh n] /ˌdɛk stroʊ roʊˈteɪ ʃən/ (Show IPA), noun
British Dictionary definitions for dextrorotation

dextrorotation

/ˌdɛkstrəʊrəʊˈteɪʃən/
noun
1.
a rotation to the right; clockwise rotation, esp of the plane of polarization of plane-polarized light passing through a crystal, liquid, or solution, as seen by an observer facing the oncoming light Compare laevorotation
Derived Forms
dextrorotatory (ˌdɛkstrəʊˈrəʊtətərɪ; -trɪ), dextrorotary, adjective
dextrorotation in Medicine

dextrorotatory dex·tro·ro·ta·to·ry (děk'strə-rō'tə-tôr'ē) or dex·tro·ro·ta·ry (-rō'tə-rē)
adj.
Turning or rotating the plane of polarization of light to the right or clockwise, as for solutions or isomers, usually designated as d- in chemical names.

dextrorotation in Science
dextrorotation
  (děk'strə-rō-tā'shən)   
The clockwise rotation of the plane of polarization of light (as observed when looking straight into the incoming light) by certain substances, such as crystals, and by certain solutions. Dextrorotation is caused by a particular arrangement of the atoms in a molecule of the substance. Compare levorotation.
dextrorotatory
  (děk'strə-rō'tə-tôr'ē)   
Relating to a substance that causes dextrorotation.