| 单词 | iron filings |
| 释义 | > as lemmasiron filings iron filings n. [compare German Eisenfeile (1582)] small particles of iron produced by filing or a similar mechanical process, used esp. as a chemical reagent and to demonstrate magnetic fields. ΚΠ 1660 R. Read Wecker's Secrets Art & Nature xii. vi. 246 Thus being bound about you must lay it into the said Iron filings and red hot Emmel. 1706 I. Newton Let. 5 Mar. in Corr. (1977) VII. 443 The dust Gold was very foul & being Examined wth a Loadstone was found full of Iron filings. 1839 G. Bird Elements Nat. Philos. 144 If a magnet be dipped in iron filings, it will attract, and cause them to adhere to its surface. 1955 K. Hutton & A. Swallow Chem. for Gen. Sci. v. 57 About 50 mls. of acid will be adequate... Add iron filings a little at a time until no more gas is evolved. 2001 R. Joshi Last Jet Engine Laugh (2002) 310 More and more people joined the jhamela, the crowd attracting them like a magnet attracts iron filings. < as lemmas |
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