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anna
annalist
annals
Annam
Annandale-on-Hudson
Annapolis
Annapurna
annatto
anneal
annelid
annex
annexe
annexin
Annie Oakley
annihilate
annihilation
Anniston
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anneal

an·neal [ ə nl ] (past and past participle an·nealed, present participle an·neal·ing, 3rd person present singular an·neals)


verb 
Definition:
 
1. transitive verb make something more resolute: to make something, especially an opinion, a feeling, or an intention, stronger, firmer, or more resolute ( literary )

2. transitive and intransitive verb metallurgy craft make something stronger through heating: to subject an alloy, metal, or glass to a process of heating and slow cooling to make it tougher and less brittle

3. transitive and intransitive verb cell biology separate strands of nucleic acid: to subject nucleic acid to a process of heating and cooling in order to separate its strands

[ Old English onǣlan< ǣlan "burn" < Germanic]
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