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anneal
Definitions
[əˈniːl], (Verb)
Definitions:
- heat (metal or glass) and allow it to cool slowly, in order to remove internal stresses and make it easier to work
(e.g: copper tubes must be annealed after bending or they will be brittle)
- recombine (DNA) in the double-stranded form
Phrases:
Origin
:
Old English onǣlan, from on + ǣlan ‘burn, bake’ from āl ‘fire, burning’. The original sense was ‘set on fire’, hence (in late Middle English) ‘subject to fire, alter by heating’
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definition by Oxford Dictionaries