尺规

尺規

chǐguī

noun

Meanings

1 ruler and compass (in geometric construction)
2 straightedge and compass

Characters

ruler, foot (length)

Examples

古希腊人用尺规作图研究几何。

Gǔ Xīlà rén yòng chǐguī zuòtú yánjiū jǐhé.

The ancient Greeks studied geometry using ruler-and-compass constructions.

三等分任意角不能仅用尺规完成。

Sān děngfēn rènyì jiǎo bùnéng jǐn yòng chǐguī wánchéng.

Trisecting an arbitrary angle cannot be done with ruler and compass alone.

Tips

usage

Almost always appears in the phrase 尺规作图 (chǐguī zuòtú, 'ruler-and-compass construction'). The 尺 here is a straightedge (no markings used), not a measuring ruler.

Stroke Order

尺 chǐ

规 guī