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单词 anneal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
an•neal  (ə nēl),USA pronunciation v.t. 
  1. Metallurgy, Ceramicsto heat (glass, earthenware, metals, etc.) to remove or prevent internal stress.
  2. Metallurgy, Ceramicsto free from internal stress by heating and gradually cooling.
  3. to toughen or temper.
  4. Biochemistryto recombine (nucleic acid strands) at low temperature after separating by heat.
  5. Ceramicsto fuse colors onto (a vitreous or metallic surface) by heating.

n. 
  1. Metallurgy, Ceramicsan act, instance, or product of annealing.
  • Middle English anelen, Old English anǣlan to kindle, equivalent. to an- on + ǣlan to burn, akin to āl fire bef. 1000
an•nealer, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
anneal /əˈniːl/ vb
  1. to temper or toughen (something) by heat treatment
  2. (transitive) to toughen or strengthen (the will, determination, etc)
n
  1. an act of annealing
Etymology: Old English onǣlan, from on + ǣlan to burn, from āl fire

anˈnealer n
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