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 central part of a fruit (“an apple core”).
Of basic importance; essential: "Virtually all cultures around the world use the word heart to describe anything that is core, central, or foundational" (Robert A. Emmons).
"Core" represents centrality, importance, and functionality across various domains. Whether describing a fruit, a principle, or a technical component, its meanings emphasize its essential nature.
The best core workouts aren’t limited to any single approach but rather incorporate both static holds and dynamic movement to build strength and stability in all the muscles that comprise and support your core. So it’s sorta essential to have a handful of core-strengthening exercises at the ready.
Definition of core noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
core (countable and uncountable, plural cores) In general usage, an essential part of a thing surrounded by other essential things. The central part of a fruit, containing the kernels or seeds. Reindeer are well suited to the taiga’s frigid winters.
Of basic importance; essential: "Virtually all cultures around the world use the word heart to describe anything that is core, central, or foundational" (Robert A. Emmons).