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Word of the Day Wednesday, June 10, 2026

chiral

/tʃaɪrəl/ adjective · British & US
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What does chiral mean?

adjective

Having a property that is not superimposable on its mirror image; in chemistry, a molecule that cannot be superimposed on its mirror image. In biology, a molecule that is not superimposable on its mirror image, such as a protein or a sugar.

Example

"The chiral molecule was crucial to the development of the new medicine."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymologically related

Synonyms for chiral

Antonyms of chiral

Rhymes with chiral