CEFR B1

nucleus

noun

Meaning

The central and most important part of an object, movement, or group, or the part of a cell or atom containing genetic material or protons and neutrons.

Examples

The nucleus of the rebellion was a small group of determined activists.
In biology, the nucleus contains the cell's chromosomes.

Synonyms: core, center, heart, kernel

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nucleus (B1)

noun

Pronunciation: /ˈnjuːkliəs/

Definition

The central and most important part of an object, movement, or group, or the part of a cell or atom containing genetic material or protons and neutrons.

Examples

The nucleus of the rebellion was a small group of determined activists.
In biology, the nucleus contains the cell's chromosomes.
The nucleus of an atom is made up of protons and neutrons.

How to Use nucleus

nucleus of (prepositional phrase): The central or most important part of something. — "The nucleus of the movement was a small group of dedicated students."

Synonyms of nucleus

Words with a similar meaning to nucleus:

Antonyms of nucleus

Words with the opposite meaning to nucleus:

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