How many letters does the top answer for “the act of reducing something to the least possible amount or degree or position” have?

The most common answer is minimisation (12 letters).

Crossword clue: the act of reducing something to the least possible amount or degree or position

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

minimisation 12 letters wn-def

the act of reducing something to the least possible amount or degree or position

minimization 12 letters wn-def

the act of reducing something to the least possible amount or degree or position