| 单词 | beta iron |
| 释义 | beta iron in British Englishnoun a nonmagnetic allotrope of pure iron stable between 770°C and 910°C beta iron in American Englishnoun Metallurgy an allotrope of iron, stable between 768°C and 910°C, similar to alpha iron but nonmagnetic Word origin [1890–95]This word is first recorded in the period 1890–95. Other words that entered Englishat around the same time include: historicism, masochism, neoclassicism, pogey, wireless |
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