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core

noun · adjective · verb

Simple meaning

The choicest or most essential or most vital part of some idea or experience.

Pronunciation

Say it like this:

kawr
US device voice
IPA pronunciation (US)

ˈkɔɹ

This word is pronounced essentially the same in American and British English, so one transcription covers both.

IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.

Word Review

Definition

Everyday modern meanings first, grouped by part of speech.

noun

  1. The choicest or most essential or most vital part of some idea or experience

  2. In general usage, an essential part of a thing surrounded by other essential things.

  3. The heart or inner part of a physical thing.

  4. The center of an object

    “The ball has a titanium core.”

  5. The central part of a fruit, containing the kernels or seeds.

  6. The center or inner part of a space or area.

adjective

  1. Forming the most important or essential part.

verb

  1. To extract a sample with a drill.

  2. Remove the core or center from

  3. To remove the core of an apple or other fruit.

  4. To cut or drill through the core of (something).

Word at a Glance

Difficulty
A1 · Beginner (estimated)
Frequency
Very Common
Typical Use
General English

Word Aura™

How this word commonly comes across.

Aura for this meaning

This meaning: The central part of a fruit, containing the kernels or seeds.

Used this way, core is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.

Emotional tone
Neutral
Formality
Neutral
Intensity
Not strongly marked
How common
Moderately common
Connotation
Matter-of-fact
Usage feel
Neutral and straightforward

Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.

More ways to use core

  • “The ball has a titanium core.”noun
  • “Five periodicals make up the core of their publishing program.”noun

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Common Patterns and Combinations

How this word naturally appears with others.

Heart / center

hard coreinner corecentral core

Other combinations

Tap the highlighted word to open its own entry.

Similar Words, What’s the Difference?

Close in meaning, but not always interchangeable.

  • essence

    The choicest or most essential or most vital part of some idea or experience.

  • pith

    The essential or vital part of something.

  • substance

    The essential part of anything.

Word Family

Related forms, grouped by how they connect.

Compound terms

Established multiword terms.

  • core bitnounCompound term

    A hollow drilling bit that is the cutting part of a core drill.

  • core drillnounCompound term

    A drill that removes a cylindrical core from the drill hole.

  • core dumpnounCompound term

    Dump of the contents of the chief registers in the CPU.

  • core groupnounCompound term

    A small group of indispensable persons or things.

  • core memorynounCompound term

    A computer memory consisting of an array of magnetic cores.

  • core outverbCompound term

    Remove the interior of.

More about this wordSynonyms, forms, origin

Synonyms

Sense: choicest or most essential

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Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.