斜線(しゃせん)

しゃせん
noun
diagonal line; oblique line; slash
geometrydocumentswriting
1. diagonal line; oblique line
a line that is neither horizontal nor vertical; a slanted line
斜線(しゃせん)を引(ひ)く。
To draw a diagonal line.
図形(ずけい)に斜線(しゃせん)を入(い)れて面積(めんせき)を示(しめ)す。
To show the area by adding diagonal lines to the figure.
雨(あめ)が斜線(しゃせん)のように降(ふ)っている。
The rain is falling at an angle like diagonal lines.
2. slash; strikethrough
a line drawn through text to indicate deletion or cancellation
間違(まちが)った部分(ぶぶん)に斜線(しゃせん)を引(ひ)いてください。
Please draw a line through the incorrect parts.
不要(ふよう)な欄(らん)には斜線(しゃせん)を入(い)れる。
Draw a slash through unnecessary fields.
申込書(もうしこみしょ)の該当(がいとう)しない項目(こうもく)には斜線(しゃせん)を引(ひ)いてください。
Please draw a slash through items that do not apply on the application form.

斜線(しゃせん) refers to a diagonal or slanted line, and also to a line drawn through text to indicate deletion.

Forms

斜(しゃ) (slanted) + 線(せん) (line)

Common collocations

Practical usage

On Japanese forms (申込書(もうしこみしょ), 届出(とどけで)), fields that don't apply are filled with a diagonal slash rather than left blank. This prevents unauthorized additions.

Related words

Related Words

Related: 対角線(たいかくせん) (diagonal of a shape)
Related: 直線(ちょくせん) (straight line)
Related: 曲線(きょくせん) (curved line)
Related: 水平線(すいへいせん) (horizontal line)
Compare: 横線(よこせん) (horizontal line)
Compare: 交差線(こうさせん) (intersecting lines)
Compare: 縦線(たてせん) (vertical line)
general
Added 2026.1.25 14:56 · Revised 2026.9.4 21:29
08000/08120_shasen