氮化 (dàn huā) — to nitride; to subject to nitriding

Definition

A technical/process verb meaning to treat metal by exposing it to nitrogen (or a nitrogen compound) at high temperature to harden the surface. Used almost exclusively in metallurgy and engineering contexts.

verb
to nitrideto subject to nitriding
Easily confused

Examples

  • 氮化。
    Jīn shǔ biǎo miàn jīng guò dàn huā chǔ lǐ hòu gèng jiā nài mó.
    After nitriding treatment, the metal surface is more wear-resistant.
  • 氮化。
    Zhè ge líng jiàn xū yào dàn huā tí gāo yìng dù.
    This part needs nitriding to increase hardness.
  • 氮化。
    dàn huā Gōng yì zài gōng yè shàng yìng yòng hěn guǎng.
    The nitriding process is widely used in industry.

Origin

Derived word
构词法gòucífǎ
后缀hòuzhuìSuffix

A fixed syllable at the end that turns the word into a noun, a person, a place or the like.

氮dànnitrogen
化huàchemical change

氮 names nitrogen, and 化 names a chemical change; together they mean nitrogen combines with something.

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.

Meaning part形符xíngfú
气气qìgas
Sound part声符shēngfú
淡
淡dàn氮dàn
Same sound today

氮 has 气, meaning gas, and 淡, meaning dilute. 淡 shows how it is pronounced, and 气 shows that it names a gas.

Open 氮 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

化 shows two person figures, one upright and one upside down, to give the idea of reversal or change.

Open 化 →

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