core

/kɔɹ/
nounadjectiveverb

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

NWL Collins ENABLE

Noun 4 meanings

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

    “the core of an apple or quince”

  2. The most important part of a thing or aggregate of things wherever located and whether of any determinate location at all; the essence.

    “the core of a subject”

  3. particular parts of technical instruments or machines essential in function:

  4. Hence particular parts of a subject studied or examined by technical operations, likened by position and practical or structural robustness to kernels, cores in the general sense above.

Adjective 2 meanings

  1. Forming the most important or essential part.

  2. Deeply and authentically involved in the culture surrounding the sport.

Verb 3 meanings

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

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

  3. To extract a sample with a drill.

Definitions: Wiktionary (CC BY-SA) via Kaikki/Wiktextract

Where it comes from

Etymology

From Middle English core, kore, coor (“apple-core, pith”), of obscure and uncertain origin.

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CORE at a glance

CORE has 4 letters and scores 6 points in Scrabble (C 3 + O 1 + R 1 + E 1) and 7 in Words With Friends, before board bonuses. It ranks #1,844 by how often it appears in everyday English. It is valid in ENABLE, NWL2023, Collins/SOWPODS.

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