斜角 (xié jiǎ) — (mathematics) oblique angle; (machining) bevel…

Definition

In math, 斜角 means an oblique angle (not a right angle); in machining it means a bevel angle — the slanted edge of a cut piece.

noun

(mathematics) oblique angle(machining) bevel angle

Measure word · 个

斜角45。
Zhè ge sān jiǎo xíng de xié jiǎ shì 45 dù.
The oblique angle of this triangle is 45 degrees.
斜角。
Jiā gōng qián xū yào tiáo zhěng xié jiǎ.
The bevel angle needs to be adjusted before machining.
斜角。
Qǐng yòng gōng jù cè liáng yí xià zhè ge xié jiǎ.
Please use a tool to measure this bevel angle.

Compound word

构词法gòucífǎ

偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

斜, meaning oblique, and 角, meaning angle, together mean an oblique angle.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

斗余斜

Meaning part形符xíngfú

斗斗dòuladle/dipper

Sound part声符shēngfú

余

余yú斜xié

The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

斜 pairs 斗, a ladle or dipper, with 余 for sound; the idea of scooping or drawing out was extended to mean a slant.

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The form 角 is a picture of a horn.