Definition of chiral
: of or relating to a molecule that is not superimposable on its mirror image
chiralityplay \kī-ˈra-lə-tē, kə-\ noun
Recent Examples of chiral from the Web
The drug also contained a chiral molecule that caused disastrous side effects in many babies.
Today, pharmaceutical companies work harder to separate the active and inactive forms of molecules, and the Food and Drug Administration issued rules to crack down on many chiral drugs in the 1990s.
Think of chiral molecules as being like a pair of gloves.
A primary inspiration was found in chemistry and chiral molecules, identically mirrored structures with different purposes.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chiral'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of chiral
chir- + 1-al
First Known Use: 1894See Words from the same year
Medical Definition of chiral
1aof a molecule : having a structure that is nonsuperimposable on its mirror image chiral moleculesb: 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
chirality\kī-ˈral-ət-ē\play noun plural
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