(chiefly of a molecule) symmetric in such a way that it can be superimposed on its mirror image; not chiral.
〔化〕（多指分子）非手性的，非偏光的
Example sentencesExamples
There was one case of achiral cord and one case of hypocoiled cord in our study.
Possible couplings might be fluorinated groups with hydrocarbons, hydrophilic and hydrophobic moieties, siloxanes, and hydrocarbons, etc, and in the present case, chiral and achiral halves.
A generalization to molecular crystals built up from dipolar but achiral molecules was recently presented.
Chiral molecules are not superposable; achiral molecules are.
But what we learn in chemistry is that chiral objects cannot be distinguished by an achiral probe.