perfecting

verb

1. (form-of, gerund, participle, present)present participle and gerund of perfect

noun

1. (uncountable, usually)The bringing of something to a state of perfection.

   “All the same, the final embellishments and perfectings of detail occupied a further four years.”

2. (uncountable, usually)The process of printing on both sides of the printed-on material during its single pass through the printing press.