What is "tetrakis"

a. Having four identical units

Tetrakis may refer to:

Mathematics:

• Tetrakis hexahedron, an Archimedean dual solid, or a Catalan solid
• Tetrakis square tiling, a tiling of the Euclidean plane

Chemistry:

• Tetrakis(acetonitrile)copper(I) hexafluorophosphate, a copper(I) coordination complex with the formula [Cu(CHCN)]PF
• Tetrakis(dimethylamino)titanium(IV) (TDMAT) is a compound with the formula CHNTi
• Tetrakis(hydroxymethyl)phosphonium chloride (THPC) is a phosphonium salt with the chemical formula [(CHOH)P]Cl
• Tetrakis(triphenylphosphine)palladium(0), the chemical compound Pd[P(CH)]
• Tetrakis(triphenylphosphine)platinum(0), the chemical compound with the formula Pt(P(CH))