reduction
part of speech
noun (a reduction, reductions)
meaning for a pupil
1) A reduction is making something smaller or less, or the amount by which it is made smaller. tree →
2) A reduction in a shop is a lower price; a discount. tree →
3) In maths, reduction can mean making a shape or picture smaller by a scale factor, or simplifying a fraction. tree →
sense in the lessons
In maths: price reductions and percentages ("a 20% reduction"), scale drawings. In science and everyday life: reduction of waste, noise or speed. Phrases: price reduction, a reduction of, a reduction in, reduce, reuse, recycle.
examples
- There is a 10% reduction on all toys. tree →
- The reduction in speed made the road safer. tree →
- A reduction of 5 dollars makes the book cost 15 dollars. tree →
- We want a reduction in plastic waste. tree →
- The photo is a reduction of the real painting. tree →
- The new rule led to a big reduction in litter. tree →
- Find the price after a reduction of a quarter. tree →
- Writing 4/8 as 1/2 is a reduction to simplest form. tree →
note
Verb: reduce. Countable. "Reduction in" (what got smaller); "reduction of" (by how much). Maths: new amount = old amount - reduction. A 25% reduction on 40 is 10, so the new price is 30. Trap: the reduction is the amount taken off, not the new price.
Trees and pragmatics
Every meaning and example of «reduction» parsed by Mova, each sentence with its dependency tree and frames.