DICTIONARY · CC-CEDICT

鈍化

简钝化 · 繁鈍化

Mandarin · pinyin dùn huà

(chemistry) to passivate

Full entryShow on map

Characters in this entry

鈍: Look up this written character
化: huà · change, convert, reform; -ize
钝: dùn · blunt, obtuse; dull; flat; dull-witted

Written characters and their own readings; the entry’s pronunciation is shown above.

Explore the spelling

Mandarin tones

4–4 · dun4 hua4

Compare attested words with these syllables ↗

Dictionary tones. Connected speech can change their realization.

Connected dictionary

2character links

Explore word families ↗Compare pronunciations ↗Open character structure ↗

Counts describe dictionary records, not word frequency or semantic similarity. Source identities stay separate.

Read this spelling in Classical texts

Follow a written form into the eight pinned witnesses: Analects, Mencius, Laozi, Zhuangzi, Xunzi, Han Feizi, Sunzi and the Mao Shijing. A match is a place to investigate; it does not prove that a modern dictionary sense fits the passage.

鈍化 · find source passages ↗ · 钝化 · find source passages ↗

Explore Classical grammar ↗

Compare dictionary sources Wiktionary

Wiktionary English definitions · Chinese section

Independent source senses for this spelling, with usage labels retained. Not matched to the pronunciation above.

verb

(of a knife) to become dull; to make (something) become dull
(figurative) to weaken; to lessen; to become blunted or mild
(chemistry) to passivise or be passivised

noun

(chemistry) passivation

Source page · dump 2026-09-02 · Contributors & history

Wiktionary contributors · CC BY-SA 4.0 · source & license · Data pack