achiral

<chemistry> A term used to describe a molecule which, in a given configuration, is superimposible on its mirror image. This is in contrast to chiral molecules which cannot be superimposed on their mirror images. ... (13 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

achiral

acheiral, achiral A description of a molecule that has neither a left-handed nor a right-handed configuration.
Found on http://www.wordinfo.info/words/index/info/view_unit/438/

achiral

Type: Term Pronunciation: ă-kī′răl Definitions: 1. Not chiral; denoting an absence of chirality.
Found on http://www.medilexicon.com/medicaldictionary.php?t=606
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