the ability of certain different elements to exist in place of each other in certain points of a space lattice; isomorphism.
Origin of diadochy
irregular < Greek diadochḗ succession; see diadochokinesia
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geology the replacement of one element in a crystal by another
Word Origin for diadochy
C20: from Greek diadochē succession
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012