单词	ferrous
释义	ferrous adjective fer·​rous ˈfer-əs  ˈfe-rəs 1 : of, relating to, or containing iron 2 : being or containing divalent iron Example Sentences Recent Examples on the Web By severely limiting North Korea’s exports of coal and non-ferrous metals, such as copper, the UN expects to cut the country’s revenue by more than $800 million every year. CNN, 13 Sep. 2022 These materials include polyurethane and polypropylene from boot shells, ferrous and nonferrous metals from buckles, and other materials from boot liners. Jiakai Chang, Outside Online, 17 Dec. 2021 China’s manufacturing contraction in July was driven mainly by energy-intensive industries like petrol, coking coal, and ferrous metals, according to (link in Chinese) the country’s National Bureau of Statistics. Mary Hui, Quartz, 1 Aug. 2022 Even the worst rate of loss (among non-ferrous metals) only reaches 6 percent. John Timmer, Ars Technica, 20 May 2022 The iron pill, with a dose of 325 milligrams of ferrous sulphate (equivalent to 105 milligrams of elemental iron), which has been shown to be effective in previous studies, increased ferritin stores by about 60 percent. Alex Hutchinson, Outside Online, 8 July 2020 Powerful magnets then remove ferrous metals from the mixture, but toxic metals like nickel remain. Erika Page, The Christian Science Monitor, 4 Apr. 2022 The soil seems to come through in the wine, which in the 2019 vintage balances a bitter, ferrous backbone with unctuous flavors of cocoa and fig. Esther Mobley, San Francisco Chronicle, 1 Apr. 2022 As for flavor, the gameyness of the meat is subtle, with a ferrous accent on the finish. Jeremy Repanich, Robb Report, 17 Mar. 2022 See More Word History Etymology New Latin ferrosus, from Latin ferrum First Known Use 1755, in the meaning defined at sense 1 Phrases Containing ferrous ferrous sulfate ferrous sulfate Medical Definition ferrous adjective fer·​rous ˈfer-əs  1 : of, relating to, or containing iron 2 : being or containing iron with a valence of two
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