# basal

**Pronunciation:** /ˈbeɪsəl/ · BAY-sul

**CEFR level:** B2

**Part of speech:** adjective

## Meaning

Relating to or forming the base or foundation of something.

## Examples

- The basal metabolic rate is the number of calories your body needs to perform basic functions.
- The basal layer of the epidermis contains actively dividing cells.
- Researchers studied the basal structure of the ancient city.

## Synonyms

- basic — Fundamental or essential.
- fundamental — Forming a necessary base or core; of central importance.
- foundational — Serving as a basis or foundation.
- primary — Of chief importance; principal.

## Antonyms

- apical — Relating to the apex or tip.
- terminal — Forming an end or extremity.

## Collocations

- basal metabolic rate — Your basal metabolic rate is the number of calories your body burns at rest.
- basal ganglia — Parkinson's disease affects the basal ganglia.
- basal layer — The basal layer of the skin is where new cells are produced.

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