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nucleus

Pronunciation: [ˈnjuːkliəs]

Word

Learn how to use nucleus in a sentence: 9 audio examples across 3 meanings.

Context: “science”

(noun) the central part of an atom, which is made up of protons and neutrons. Think of it like the core of a tiny building that holds everything together.

Example

The nucleus of the atom is very important because it contains most of the atom's mass.

Example

Without a nucleus, the atom cannot exist as it loses its central core.

Example

What is found in the nucleus of an atom?

Context: “biology”

(noun) the part of a cell that contains its genetic material, like DNA. It’s like the control center of a cell that tells it what to do.

Example

The nucleus helps the cell function properly by managing its activities.

Example

If the nucleus is damaged, the cell might not be able to live or grow properly.

Example

What role does the nucleus play in a cell's life?

Context: “general”

(noun) the core or central part of something. For example, the most important idea or concept in a discussion.

Example

The nucleus of her argument was very strong and convincing.

Example

The presentation lacked a nucleus, making it hard to understand the main point.

Example

What is the nucleus of the story you’re telling?

How to pronounce nucleus

Pronunciation: [ˈnjuːkliəs]

Listen and repeat as many times as you need.

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