Phrase guide

China syndrome

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A hypothetical kind of catastrophic failure in which a nuclear reactor melts through the floor of its containment system and (if on land) penetrates the Earth's surface, continuing downward as if (from a Western Hemispheric point of view) traveling through the planet toward China.

Definition source: English Wiktionary via Wiktextract

Usage: idiomatic, uncountable

Qualifier: nuclear physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A specific instance of this type of failure.

Definition source: English Wiktionary via Wiktextract

Usage: countable, idiomatic

Qualifier: nuclear physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A behavior, policy, or situation characteristic of or involving China; an actual or potential catastrophe, especially one involving China.

Definition source: English Wiktionary via Wiktextract

Usage: countable, idiomatic

Qualifier: sometimes fanciful

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A rare disease, first characterized in the early 1990s, which resembles polio but which has somewhat different characteristics and occurs in persons vaccinated for polio.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Alternative form of China syndrome.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From China + syndrome. Popularized via the 1979 disaster thriller film The China Syndrome.

Across languages

Translations

9 source translations are retained for this English entry.

  • Chinese Mandarin: 中國綜合症 /中国综合症 (Zhōngguó zònghézhèng) — meltdown of a nuclear reactor
  • Finnish: Kiina-ilmiö — meltdown of a nuclear reactor
  • French: syndrome chinois — meltdown of a nuclear reactor
  • German: China-Syndrom — meltdown of a nuclear reactor
  • Italian: sindrome cinese — meltdown of a nuclear reactor
  • Japanese: チャイナ・シンドローム (China shindorōmu) — meltdown of a nuclear reactor
  • Polish: chiński syndrom — meltdown of a nuclear reactor
  • Portuguese: síndrome da China — meltdown of a nuclear reactor
  • Russian: кита́йский синдро́м (kitájskij sindróm) — meltdown of a nuclear reactor