Definify.com
Definition 2025
inner_core
inner core
English
Noun
inner core (plural inner cores)
- Used other than as an idiom: see inner, core.
- (planetology) The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core.
- (geology) The innermost part of the Earth, believed to be made of a nickel-iron alloy.
Translations
innermost part of the Earth