isometric

Also contains definition of: anisometric
https://doi.org/10.1351/goldbook.I03298
Two @M03986@ that are superposable or can be made superposable by reflection of one of them in a mirror are isometric; otherwise they are anisometric.
Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2210 [Terms] [Paper]