levorotatory
adjective
- turning or circling to the left, in a counterclockwise direction
- that turns the plane of polarized light counterclockwise: said of certain crystals, etc.
See levorotatory in American Heritage Dictionary 4
(lēˌvə-rōˈtə-tôrˌē, -tōrˌē) also le·vo·ro·ta·ry (-tə-rē)
adjective Symbol l- Of or relating to an optically active chemical that rotates the plane of polarized light to the left, or counterclockwise: Only levorotatory amino acids are biologically active.
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