Core can be a noun, verb, or adjective, but is most often used as a noun to refer to the central or most important part of something (“the core of the issue,” “the Earth’s core”) or to the usually inedible …

The core is made primarily of iron and nickel and has two parts — an inner solid core and an outer liquid core. The mantle is the layer of the Earth that overlies the core.

Find outage information and updates for CORE Electric Cooperative, serving members with reliable electric service and support.

CORE meaning: 1. the basic and most important part of something: 2. the hard central part of some fruits, such…. Learn more.

Aug 10, 2025 · "Core" represents centrality, importance, and functionality across various domains. Whether describing a fruit, a principle, or a technical component, its meanings emphasize its …

CORE meaning: 1 : the central part of a fruit (such as an apple) that contains the seeds; 2 : the central part of something

CORE definition: 1. the most important part of a system or principle: 2. the hard, central part of certain fruits…. Learn more.

Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,230 km (760 mi), which is about 20% of Earth's radius or 70% of the Moon 's …

Definition of core noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The core of something such as a problem or an issue is the part of it that has to be understood or accepted before the whole thing can be understood or dealt with.