fundamental

US /ˌfʌn.dəˈmen.t̬əl/

UK /ˌfʌn.dəˈmen.t̬əl/

1.

forming a necessary base or core; of central importance.

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The fundamental principles of physics.

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Education is a fundamental right.

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basic primary essential core central

1.

a fundamental principle or concept.

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He taught me the fundamentals of programming.

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Understanding the fundamentals is crucial for success.

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basics essentials rudiments elements principles

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fundamentally