型心 (xíng xīn) — (metallurgy) core (of a mold or casting) | tongtong Chinese Dictionary

Definition

noun

(metallurgy) core (of a mold or casting)

Measure word · 个

Examples

型心。
Zhù zào qián xū yào xiān zhì zuò xíng xīn.
Before casting, you need to make the core first.
型心。
Zhè ge xíng xīn de cái zhì shì nài gāo wēn de.
The material of this core is high-temperature resistant.
型心。
Shī fu zhèng zài jiǎn chá xíng xīn de wèi zhì shì fǒu zhèng què.
The master is checking whether the core's position is correct.

Origin

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.

It names the core placed in a mold, with 型 specifying the mold and 心 the core.

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.

刑土型

Meaning part形符xíngfú

土土tǔearth

Sound part声符shēngfú

刑

刑xíng型xíng

Same sound today

型 pairs 土 (earth) with 刑, which supplies the sound; the shape shows an earthen mold, hence form or pattern.

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

The shape of 心 comes from a drawing of a heart, now highly stylized.

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