core

Pronunciation: /kɔːr/

noun

Difficulty: common

Definition of core

core (noun): The central or most important, indispensable part of something, often serving as the foundation or driving force behind its existence or function.

Example: At its core, the novel explores themes of identity and belonging, transcending superficial narratives.

Best for: common-difficulty vocabulary; learners who already know "nucleus" or "essence"; GRE Verbal (Text Completion, Sentence Equivalence); SAT Reading & Writing (Words in Context).

Origin of core

Language of origin: Latin

Root word: cor

Original meaning: heart

How it evolved: Initially used to describe the physical heart, the term evolved metaphorically to signify the central or essential part of anything.

The word 'core' originated from Latin and Old French, referring to the heart or innermost part of something.

First known use: 14th century

How to Remember core

Imagine an apple with its seeds at the core—just as the seeds are vital for growth, the 'core' is the essential part of anything.

Synonyms for core

  • nucleus
  • essence
  • heart
  • crux
  • pivot
  • kernel
  • center
  • foundation

Antonyms of core

  • periphery
  • edge
  • surface
  • margin
  • exterior

core in a Sentence

  1. At its core, the novel explores themes of identity and belonging, transcending superficial narratives.
  2. The scientist emphasized the core principles of the theory, which form the basis of modern quantum mechanics.
  3. Her unwavering commitment to justice was the core of her argument during the debate.

core in Literature & Culture

The word 'core' is widely used in literature and philosophy to denote the essence of human nature, such as in Ralph Waldo Emerson's essays on individuality and self-reliance.

Usage Notes

The word 'core' often carries a metaphorical connotation in intellectual and abstract contexts, such as 'core values' or 'core concepts.' Avoid confusing it with 'corps,' which refers to a group or body of people organized for a purpose.

Why core Matters for GRE & SAT

The word 'core' frequently appears in GRE reading comprehension passages and analytical writing prompts to refer to fundamental ideas or principles, making it essential for test-takers to understand its nuanced meanings.

Word Family

coreless (adjective)
Lacking a central or essential part.
coring (verb)
The act of removing the central part or core from something, often fruit.
core-like (adjective)
Resembling or pertaining to a core.

Did You Know?

  • The concept of 'core' is central to physics, where it refers to the nucleus of an atom or the molten center of planets.
  • Steve Jobs famously used the term in his speeches, emphasizing the 'core values' of Apple as an innovative company.
  • The word 'core' is often used in fitness terminology, referring to the muscles in the central part of the body that provide stability.

More Vocabulary Words Starting with C

  • cacophonous — extremely noisy; grating
  • cacophonous — extremely noisy; grating
  • cajole — persuade through flattery or gentle urging
  • cajole — persuade through flattery or gentle urging
  • callous — emotionally unfeeling or insensitive
  • callous — emotionally unfeeling or insensitive
  • callow — young and inexperienced; immature
  • callow — young and inexperienced; immature
  • calumny — slander and defamation
  • calumny — slander and defamation

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