inner core

noun

The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core.

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Meanings

nouninner core (plural inner cores)

plural inner cores

  1. astronomyThe solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core.
    1. astronomyThe innermost part of the Earth, believed to be made of a nickel-iron alloy.
  2. Used other than figuratively or idiomatically: see inner, core.

Translations

Catalan nucli intern
  • nucli interninnermost part of the Earth
Chinese Mandarin 內核 /内核
  • 內核 /内核 (nèihé)innermost part of the Earth
Dutch binnenkern
  • binnenkerninnermost part of the Earth
Finnish sisäydin
  • sisäydininnermost part of the Earth
French noyau interne
  • noyau interneinnermost part of the Earth
Italian nucleo interno
  • nucleo internoinnermost part of the Earth
Japanese 内核
  • 内核 (naikaku)innermost part of the Earth
Korean 내핵
  • 내핵 (naehaek)innermost part of the Earth
Russian вну́треннее ядро́
  • вну́треннее ядро́ (vnútrenneje jadró)innermost part of the Earth
Cite this entry
APA

inner core. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/inner%20core

MLA

“inner core.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inner%20core. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “inner core,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/inner%20core.

Source: inner core on Wiktionary, CC BY-SA 4.0.