tris-

See also: tris, TRIS, Tris, and trīs

English

Etymology

Borrowed from Ancient Greek τρις (tris, “thrice”)

Prefix

tris-

  1. (chemistry, obsolete) A variant of tri- used to indicate that the component that does not take the prefix occurs three times in the compound: trisphosphuret of copper is PCu3; trisbenzeneazoresorcinol, C6H(OH)2(N2Ph)3.
  2. (chemistry) A variant of tri-, used for substitutions of three complex rather than simple units, as in,
    trisbenzene-azophenol, C6H2(N:NC6H5)3OH
    tristhio-dimethyl-benzaldehyde, {C6H3(CH3)2CHS}3

Anagrams
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