Definition of bidentate
1 : having two teeth or two processes suggestive of teeth
2 chemistry : attached to the central atom in a coordination complex by two bonds —used of ligands and chelating groups Space A is a grid containing all the catalyst structures—e.g., if the catalyst in question is a bidentate transition-metal complex, Space A will contain all of the combinations of transition-metal atoms and bidentate ligands, with each point representing a different catalyst. — Ana G. Maldonado et al., Chemical Engineering Progress, June 2009 — compare monodentate, polydentate, tridentate
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Origin and Etymology of bidentate
from (assumed) New Latin bidentatus, from New Latin 1bi- + -dentatus -dentate
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