单词 | nitrate deposit |
释义 | > as lemmasnitrate deposit nitrate deposit n. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > nitrogen > [noun] > compounds > deposits or beds nitre bed1788 nitriary1839 nitrate deposit1853 nitre-heap1867 1853 A. Ure Dict. Arts (ed. 4) 273 The nitrate deposits commence about Tilineche, and extend south. 1881 Daily News 22 Jan. 2/6 The nitrate deposits, which are practically inexhaustible. 1952 A. M. Smith Manures & Fertilisers v. 106 Sodium nitrate is produced by chemical synthesis, but the bulk of it is obtained from the crude nitrate deposits in Chile. < as lemmas |
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