quadridentateadj.

1760 J. Lee Introd. Bot. i. xv. 39 Quadridentate, split into four segments.

1828 J. Stark Elements Nat. Hist. II. 159 Body covered with a reddish down,..front quadridentate.

1885 Trans. Amer. Entomol. Soc. 12 230 This species approaches nearest the bidentate species, and..probably represents the ancestral form of the bidentate and quadridentate species.

1905 Bryologist 8 59 Quadridentate and quadrifid leaves are also found among the Hepaticae; none of our northern species, however, show a larger number of primary lobes than four.

1959 Amer. Midland Naturalist 62 12 In Leptoscyphus large, typically quadridentate or quadrifid underleaves are always retained.

2000 Jrnl. Crustacean Biol. 20 326/2 Anterolateral margins quadridentate.

1925 Morgan & Smith in Jrnl. Chem. Soc. 127 2031 We have now succeeded in identifying a group capable of quadruple attachment to metallic atoms, this being the first known case of a quadridentate group in co-ordination complexes.

1937 Chem. Rev. 21 98 Probably the first synthetic quadridentate compounds..were the copper and bivalent platinum compounds of ethylene bisthioglycolic acid.

1956 R. W. Parry in J. C. Bailar Chem. Coordination Compounds v. 239 The base is a quadridentate molecule in which the four nitrogen atoms can be expected to occupy the corners of a tetrahedron.

1989 Proc. National Acad. Sci. U.S.A. 86 822/1 Tat was purified by a single column chromatography step using a quadridentate metal chelate adsorbent affinity resin.