noun
growth rate; rate of increase
Common in economic, statistical, and business contexts for percentage change over time.
今年のGDP伸び率は2%と予測されている。
This year's GDP growth rate is forecast at 2%.
売上の伸び率が鈍化している。
The sales growth rate is slowing down.
noun
elongation percentage; elongation rate
Technical term in physics and materials science for the percentage a material stretches before breaking.
この素材の伸び率は試験で20%を記録した。
This material recorded an elongation percentage of 20% in the test.
Compound of 伸び (のび, 'growth, stretching') + 率 (りつ, 'rate, proportion').