Tetrakis meaning

Having four identical units.
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(mathematics) A variant of tetra-, used for multiplication with a second numerical prefix.
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(chemistry) A variant of tetra-, used for substitutions of four complex rather than simple units, as in.

Tetrakis-(trichloromethyl)-benzene, benzene with four trichloromethyl groups attached,

Tetrakis-hydroxymethyl~phosphonium chloride,

Tetrakis(methylthio)methane, (MeS)4C,

Tetrakis(p-dimethylaminophenyl)hydrazine.

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Origin of tetrakis

  • Greek τετράκις "four times"

    From Wiktionary