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▪ I. † ˈplumbate, n.1 Obs.
Also 7 (?) plumbet.
[app. ad. late L. plumbātæ leaden balls, also (Cod. Theodos.) a scourge to which leaden balls were attached, f. plumbāre to make of lead; but cf. plummet n. 4.]
In pl. The leaden balls with which a scourge was loaded.
1570Foxe A. & M. (ed. 2) 94/1 Then Decius moued with anger commaunded hym to be beaten with plumbattes (which is sayth Sabellicus, a kinde of scourging). 1609Holland Amm. Marcell. 330 Sericus and Asbolius..he caused to be killed with the mightie pelts of plumbets.
▪ II. ˈplumbate, n.2 Chem.
[f. L. plumb-um lead + -ate1 1 c; first formed as F. plombate (E. Fremy 1843, in Jrnl. de Pharm. III. 32).]
Any of various (salts of) oxyanions or hydroxyanions of quadrivalent lead, which are formed esp. by the action of alkalis on lead dioxide. Now also extended occas. to (salts of) any oxyanion of lead, the oxidation state being specified in brackets.
1851H. Watts tr. Gmelin's Handbk. Chem. V. 160 (heading) Plumbate of potash. 1865Watts Dict. Chem. III. 555 The solution of plumbate of potassium forms with metallic salts precipitates of analogous composition. 1889I. Remsen Inorg. Chem. xxx. 645 Other salts derived from the acid PbO(OH)2 are known, and are called plumbates. 1950N. V. Sidgwick Chem. Elements & Compounds I. 603 Plumbic hydroxide, Pb(OH)4. This..gives a series of salts, the plumbates, of various types, such as Ca2PbO4 and Na2PbO3. 1958Engineering 21 Feb. 242/1 The manufacture, properties and applications of..rust-inhibiting calcium plumbate paint were outlined. 1959Nomencl. Inorg. Chem. (I.U.P.A.C.) 32 By dissolving, for example, Sb2O3, SnO, or PbO in sodium hydroxide an antimonate(III), a stannate(II), a plumbate(II), etc., is formed in the solution. 1962Cotton & Wilkinson Adv. Inorg. Chem. xix. 364 Crystalline alkali metal stannates and plumbates can be obtained as trihydrates, for instance, K2SnO3·3H2O... Such materials..contain the anions Sn(OH)62- and Pb(OH)62-. 1974G. I. Brown Introd. Inorg. Chem. xviii. 210 Tin(ii) and lead(ii) oxides..form salts with acids and stannates(ii) and plumbates(ii) with alkalis. Ibid. 211 Both oxides react with caustic alkalis to form stannates(iv) or plumbates(iv).
▪ III. plumbate, a. and n.3|ˈplʌmbeɪt|
[f. L. plumb-um lead + -ate2.]
Of or pertaining to a type of glazed and usu. lead-coloured pottery made in pre-Columbian central America. Also absol. as n.
1926S. K. Lothrop Pottery of Costa Rica & Nicaragua I. i. iv. 116 The vitrified surface of the Plumbate Ware did not lend itself to painted decoration. 1936― Zacualpa 39 The typical vessel of pure plumbate clay is hard, well fired and has a glossy surface. 1940J. E. S. Thompson in Maya & their Neighbours 129 The absence of plumbate and typical fine orange pottery, turquoise, and gold..hint that these sites are not contemporaneous with the Mexican Period of Yucatan. 1948A. O. Shepard Plumbate 1/2 Plumbate effigies in particular show a fascinating versatility coupled with a tendency to follow fixed types. 1962G. Kubler Art & Archit. Anc. Amer. ix. 205 A few ‘glazed sherds’ found during excavation: if these were plumbate, a Toltec Maya date would be in order. 1971L. A. Boger Dict. World Pottery & Porcelain 345/2 Two outstanding types of pottery made in large quantities and traded wherever Toltec influence was evident are Fine Orange ware..and Plumbate. Ibid. 346/1 Plumbate ware dates from around 1000. |