English Dictionary

tris-

prefix

(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.

Tris is a common prefix used in chemistry.

意味（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.

意味（2）

(chemistry) A variant of tri-, used for substitutions of three complex rather than simple units, as in,

trisbenzene-azophenol, C₆H₂(N:NC₆H₅)₃OH