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单词 permalloy
释义

Collins Concise English Dictionary © HarperCollins Publishers::
permalloy /pɜːmˈælɔɪ/ n
  1. any of various alloys containing iron and nickel (45–80 per cent) and sometimes smaller amounts of chromium and molybdenum
Etymology: 20th Century: from perm( eability) + alloy
WordReference Random House Unabridged Dictionary of American English © 2024
Perm•al•loy  (pûrm′aloi, pûrmə loi′),USA pronunciation [Trademark.]
  1. Metallurgy, Trademarksa brand name for any of a class of alloys of high magnetic permeability, containing from 30 to 90 percent nickel.
  • perm(anent) + alloy 1920–25

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