tridentateWiktionary 原文英美构词拆解tritri-前缀dentatedentate词干tri-Three. · (chemistry) Used for the digit three to form systematic element names of elements whose existence has been predicted, and which have not yet been given a trivial name.释义形容词adjective1Having three teeth2(botany) Having tooth-like projections that are themselves bidentate.3(chemistry, of a ligand) Capable of attaching to a metal ion at three points