| 单词 | iron |
| 释义 | Word Frequency iron(ˈaɪən) noun 1. a. a malleable ductile silvery-white ferromagnetic metallic element occurring principally in haematite and magnetite. It is widely used for structural and engineering purposes. Symbol: Fe; atomic no: 26; atomic wt: 55.847; valency: 2,3,4, or 6; relative density: 7.874; melting pt: 1538°C; boiling pt: 2862°C See also steel, cast iron, wrought iron, pig iron ▶ Related adjectives: ferric, ferrous ▶ Related prefix: ferro-b. (as modifier) iron railings 2. any of certain tools or implements made of iron or steel, esp for use when hot a grappling iron a soldering iron 3. an appliance for pressing fabrics using dry heat or steam, esp a small electrically heated device with a handle and a weighted flat bottom 4. any of various golf clubs with narrow metal heads, numbered from 1 to 9 according to the slant of the face, used esp for approach shots a No. 6 iron 5. an informal word for harpoon (sense 1) 6. US slang a splintlike support for a malformed leg 7. great hardness, strength, or resolve a will of iron 8. astronomy short for iron meteorite 9. shooting iron 10. strike while the iron is hot adjective 11. very hard, immovable, or implacable iron determination 12. very strong; extremely robust an iron constitution 13. cruel or unyielding 14. an iron fist verb 15. to smooth (clothes or fabric) by removing (creases or wrinkles) using a heated iron; press 16. (transitive) to furnish or clothe with iron 17. (transitive) rare to place (a prisoner) in irons Derived forms ironer (ˈironer) noun ironless (ˈironless) adjective ironlike (ˈironˌlike) adjective Word origin Old English irēn; related to Old High German īsan, Old Norse jārn; compare Old Irish īarn |
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