enantiomerically enriched (enantioenriched)

https://doi.org/10.1351/goldbook.E02071
A sample of a chiral substance whose enantiomeric ratio is greater than 50:50 but less than 100:0.
Source:
PAC, 1996, 68, 2193. 'Basic terminology of stereochemistry (IUPAC Recommendations 1996)' on page 2207 (https://doi.org/10.1351/pac199668122193)