Hypertext Webster Gateway: "dextro"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Dextro- \Dex"tro-\
A prefix, from L. dexter, meaning, pertaining to, or toward,
the right; (Chem. & Opt.) having the property of turning the
plane of polarized light to the right; as, dextrotartaric
acid.
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