chiral

Non-superimposable on reflection

Chiral describes an object or molecule that cannot be superimposed on its mirror image—like left and right hands, which are reflections of each other but not identical.

The term appears mainly in chemistry, where chiral molecules have distinct left-handed and right-handed forms that may behave differently in biological systems: The drug's chiral forms have different effects on the body.

biology

thalidomide

Sedative causing fetal deformities

deoxyribose

stereochemistry

enantiomer

Mirror-image molecular variant

physics

spin

Rapid rotation around axis

Opposites
molecular symmetry

chiralachiral

Identical to mirror image

superimposable · symmetric · meso · planar · two-dimensional

Family

chiral resolution, chiropractor, chirality, achiral, chiropodist, chiromancy

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