英语词汇“Parker's cement”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

Parker's cement

释义

† ˌParker's ceˈment Obs. except Hist.
[Named after James Parker, who patented it in England in 1796.]
= Roman cement s.v. Roman a.¹ 16 c.
1814Trans. Geol. Soc. II. 193 This place is particularly known on account of its furnishing abundance of the septaria, from which that excellent material for building under water and for stucco is made, known by the name of Parker's cement.1839Penny Cycl. XV. 420/1 The mortars made with them are called hydraulic mortars. Of these, Parker's cement is a well known kind.1889W. A. Tilden Watts' Man. Chem. I. 337 Parker's or Roman cement is made in this manner from the nodular masses of calcareo-argillaceous ironstone found in the London clay.1917E. A. Dancaster in G. Martin Industr. & Manuf. Chem.: Inorg. II. 85 The first of the natural cements was prepared by James Parker towards the end of the eighteenth century. It was known at first as Parker's cement, but was afterwards called Roman cement, by which name it is still known.

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