折(お)れ線(せん)

おれせん

noun

broken line; line graph

1. broken line; polyline; line graph

A line made up of connected straight segments that change direction at each point. Most commonly encountered in the term 折(お)れ線(せん)グラフ (line graph).

折(お)れ線(せん)グラフを作(つく)る。

To make a line graph.

気温(きおん)の変化(へんか)を折(お)れ線(せん)グラフで表(あらわ)した。

I showed the temperature changes in a line graph.

折(お)れ線(せん)グラフを見(み)ると、売上(うりあげ)が年々(ねんねん)増加(ぞうか)していることが分(わ)かる。

Looking at the line graph, you can see that sales have been increasing year by year.

Most commonly used in the compound 折(お)れ線(せん)グラフ (line graph), which is one of the basic graph types taught in Japanese elementary school math. The literal meaning is 'bent line' or 'broken line.'

Common collocations

折(お)れ線(せん)グラフ: line graph
折(お)れ線(せん)グラフで示(しめ)す: to show with a line graph
折(お)れ線(せん)グラフを読(よ)み取(と)る: to read a line graph

Similar words

直線(ちょくせん): straight line — a line without any bends
曲線(きょくせん): curve — a smoothly curved line
棒(ぼう)グラフ: bar graph — another common graph type
円(えん)グラフ: pie chart — another common graph type

Usage

In Japanese math education, students learn the four basic graph types: 折(お)れ線(せん)グラフ (line graph), 棒(ぼう)グラフ (bar graph), 円(えん)グラフ (pie chart), and 帯(おび)グラフ (stacked bar chart).

Related Words

Compare: 直線(ちょくせん) (straight line)

Compare: 曲線(きょくせん) (curve)

Compare: 棒(ぼう)グラフ (bar graph)

Compare: 円(えん)グラフ (pie chart)

general

Added 2026.4.9 0:44 · Revised 2026.9.2 13:02

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