nucleus
Pronunciation: [ˈnjuːkliəs]
Word
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?
0s0s