anneal
/əˈniːl/verb
with obj.
1- heat (metal or glass) and allow it to cool slowly, in order to remove internal stresses and toughen it使（金属, 玻璃）退火。
1.1
- Biochemistry recombine (DNA) in the double-stranded form【生化】使(DNA)退火（重组成双链形式）。
1.2
- no obj. Biochemistry (of DNA) undergo this process【生化】(DNA)退火。
派生词
annealer
noun词源
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'.