Phrase guide

outer core

noun · 3 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

The hot liquid material found near the centre of some planets, distinct from the solid inner core.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, natural-sciences, planetology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The hot liquid material found near the centre of some planets, distinct from the solid inner core.

The part of the Earth between the mantle and inner core, responsible for generating the planet's magnetic field.

Definition source: English Wiktionary via Wiktextract

Topics: astronomy, geography, geology, natural-sciences, planetology

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

Used other than figuratively or idiomatically: see outer, core.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

9 source translations are retained for this English entry.

  • Catalan: nucli extern — part of the Earth between the mantle and inner core
  • Chinese Mandarin: 外核 (wàihé) — part of the Earth between the mantle and inner core
  • Dutch: buitenkern — part of the Earth between the mantle and inner core
  • Finnish: ulkoydin — part of the Earth between the mantle and inner core
  • French: noyau externe — part of the Earth between the mantle and inner core
  • Italian: nucleo esterno — part of the Earth between the mantle and inner core
  • Japanese: 外核 (gaikaku) — part of the Earth between the mantle and inner core
  • Korean: 외핵 (oehaek) — part of the Earth between the mantle and inner core
  • Russian: вне́шнее ядро́ (vnéšneje jadró) — part of the Earth between the mantle and inner core