/ pəˈfekʃn; NAmE pərˈf-/ noun [ U , sing. ]
1.
the state of being perfect :
physical perfection
The fish was cooked to perfection .
The novel achieves a perfection of form that is quite new.
His performance was perfection (= sth perfect) .
2.
the act of making sth perfect by doing the final improvements :
They have been working on the perfection of the new model.
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IDIOMS
see counsel noun
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WORD ORIGIN
Middle English (in the sense completeness ): via Old French from Latin perfectio(n-) , from perficere to complete, from per- through, completely + facere do.