Medical Definition of chiral
1aof a molecule : having a structure that is nonsuperimposable on its mirror image <chiral molecules>b: relating to or composed of chiral molecules <In discussions of chiral drugs, thalidomide is sometimes cited as a prime example of a drug that differs strikingly in the properties of its two enantiomers.—Stephen C. Stinson, Chemical & Engineering News, 19 Sept. 1994>
2: of, relating to, or being a chiral center
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Medical Dictionary: Definition of "chiral"
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