(chemistry) A stereoisomer having multiple chiral centres; a diastereoisomer cannot normally be superimposed on the mirror image of another.

plural of diastereoisomer

(chemistry) The formation of diastereomers from other isomers

plural of diastereoisomerization

(chemistry) Of or pertaining to diastereoisomers or diastereoisomerism

(chemistry) Any form of stereoisomerism other than enantiomerism

plural of diastereoisomerism