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单词 fossil farina
释义

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fossil farina
fossil farina n. [after French farine fossile (1763 or earlier)] now rare = fossil flour n.
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society > occupation and work > materials > raw material > earth > [noun] > infusorial earth
tripoli1601
fossil flour1788
fossil farina1789
terra cariosa1823
kieselguhr1875
diatomite1887
moler1910
the world > the earth > minerals > types of mineral > silicates > miscellaneous silicates > [noun] > diatomite
fossil flour1788
fossil farina1789
terra cariosa1823
kieselguhr1875
diatomite1887
moler1910
1789 W. Radcliffe tr. K. I. Hablitz Nat. Hist. E. Tartary i. 23 We also find, here and there, the calcareous fossil Farina.
1827 Mechanics' Mag. 10 Nov. 260/2 The carbonated pulverulent lime, which Fabbreni discovered in Tuscany; of which he manufactured his floating bricks, and to which he gave the name of fossil farina.
1899 H. C. Pearson Crude Rubber v. 69 Fossil Farina, also called mountain milk, is an earth similar to infusorial earth.
1954 Rev. Appl. Entomol. A. 42 36 In further experiments on the protection of stored grain by dusting with fossil farina.., it was found that 0.2 per cent. of this material gives excellent protection.
extracted from fossiln.adj.
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