歩 留(ぶどま)り

ぶどまり

noun

yield; yield rate; percentage of usable product

1. yield; yield rate; percentage of usable product

The ratio of usable or acceptable products to the total amount produced. Used in manufacturing, food processing, and business to measure production efficiency. A high yield rate means less waste.

歩留(ぶどま)りを改善(かいぜん)する必要(ひつよう)がある。

We need to improve the yield rate.

この工場(こうじょう)は歩留(ぶどま)りが高(たか)いことで知(し)られている。

This factory is known for its high yield rate.

不良品(ふりょうひん)が増(ふ)えて歩留(ぶどま)りが下(さ)がったので、製造(せいぞう)ラインを見直(みなお)した。

The yield rate dropped due to an increase in defective products, so we reviewed the production line.

Usage

A technical term used in manufacturing and food processing. In cooking, it refers to the usable portion after trimming (e.g., the edible percentage of a fish after removing bones and skin). In semiconductor manufacturing, it measures the percentage of chips that pass quality testing.

Common collocations

歩留(ぶどま)りが高(たか)い/低(ひく)い (yield is high/low)
歩留(ぶどま)りを上(あ)げる (to increase yield)
歩留(ぶどま)りを改善(かいぜん)する (to improve yield)
歩留(ぶどま)り率(りつ) (yield rate — explicit percentage form)

Etymology

Originally from rice milling — 歩(ぶ) (rate, percentage) + 留(とま)り (remaining), describing how much usable white rice remains after husking.

general

Added 2026.3.9 12:57 · Revised 2026.9.2 13:01

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