noun
loss factor; loss rate
Technical term used in insurance, finance, and engineering to express the proportion of loss relative to a base amount. Often appears in compound expressions like 損率計算.
保険会社は損率を基に保険料を算定する。
Insurance companies calculate premiums based on the loss factor.
この工場の損率は昨年より改善した。
The loss rate at this factory has improved compared to last year.