tridentateadj.
/trʌɪˈdɛntət/ 1. Botany and Zoology. Having three teeth or tooth-like processes; three-pronged, three-pointed.
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the world > life > biology > physical aspects or shapes > projection or protuberance > [adjective] > having specific number of projections
tridentated1752
tridentate1760
biuncinate1852
1760 J. Lee Introd. Bot. ii. xxii. 122 Corolla..either..tridentate; or quinquedentate.
1852 J. D. Dana U.S. Exploring Exped.: Crustacea Pt. I 662 The only species..have the front of the carapax deeply tridentate.
1856–8 W. Clark tr. J. van der Hoeven Handbk. Zool. I. 313 Tarsi with tridentate claws.
2. Chemistry. Of a ligand: forming three separate bonds (usually but not necessarily with the same central atom). Of a molecule or complex: formed by such a ligand.
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the world > matter > chemistry > chemical bonding > [adjective] > of or relating to a ligand
quadridentate1925
tridentate1925
1925 Jrnl. Chem. Soc. 127 2030 Werner also identified groups capable of treble attachment to metallic atoms, such tridentate residues containing three fused chelate groups.
1966 C. S. G. Phillips & R. J. P. Williams Inorg. Chem. II. xxvii. 347 The cyclopentadienyl and benzene ligands are best regarded as tridentate and their transition-metal complexes are strongly stabilized in the sandwich symmetry only.
Derivatives
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the world > life > biology > physical aspects or shapes > projection or protuberance > [adjective] > having specific number of projections
tridentated1752
tridentate1760
biuncinate1852
1752 J. Hill Gen. Nat. Hist. III. 35 The grey Fly..with tridentated marks on the abdomen.
1822 J. Parkinson Outl. Oryctol. 275 Numerous teeth of cartilaginous fishes..triangular,..tricuspidated, tridentated.
This entry has not yet been fully updated (first published 1914; most recently modified version published online December 2018).
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adj.1752