定規(じょうぎ)

じょうぎ
noun
ruler, straightedge
1. ruler, straightedge
A flat instrument with straight edges used for measuring length or drawing straight lines.
定規(じょうぎ)で線(せん)を引(ひ)く。
To draw a line with a ruler.
この定規(じょうぎ)は30センチまで測(はか)れる。
This ruler can measure up to 30 centimeters.
三角(さんかく)定規(じょうぎ)を使(つか)って角度(かくど)を描(か)いた。
I drew an angle using a triangular ruler.
三角定規 = set square, triangular ruler

定規(じょうぎ) refers to a ruler used for measuring or drawing straight lines. The term emphasizes the straightness and precision of the tool.

TYPES OF RULERS:

  • 三角(さんかく)定規(じょうぎ): set square, triangular ruler
  • 直(ちょく)定規(じょうぎ): straight ruler
  • 分度器(ぶんどき): protractor (for measuring angles)

RELATED WORDS:

  • 物差(ものさ)し: ruler (alternative term, often for longer measuring sticks)
  • メジャー: tape measure
general
Added 2026.1.14 7:31 · Revised 2026.1.19 21:17
04000/04280_jougi