mer-

in inorganic nomenclature
https://doi.org/10.1351/goldbook.M03828
An affix used in names to denote meridional; three groups occupying vertices of an octahedral @C01329@ sphere in such a relationship that one is cis to the two others which are themselves @C01092@, not now recommended for precise nomenclature purposes.
Source:
Red Book, 3rd ed., p. 245 [Terms] [Book]
Citation: 'mer-' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.M03828 RIS BibTex EndNote
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Last revised: February 24, 2014