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"reduction" is also used as a crossword clue. If that's what you saw, the answer is often abatement (9 letters).
Definitions
the act of reducing complexity
Word origin
From Middle English reduccion, a borrowing from Old French reducion, from Latin reductiō, reductiōnem. Equivalent to reduce + -tion.
Used in a sentence
“With the cutting out of the previous recovery times for electrification work, curtailment of station times and acceleration, considerable reductions have been made in the overall schedules.”
“A 5% reduction in robberies”
“closed reduction”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Decrease in size”9 letters
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