Cell
Noun
UK
/sel/
US
/sel/
Level: Easy - A1 (Beginner)
Definition
A small basic unit, room, or device part.
Example
"The human body is made up of millions of cells."
"The prisoner spent the night in a small cell."
"She left her cell phone charging in the other room."
Explanation
The word cell has different meanings depending on context. In biology, a cell is the smallest unit of life, like a tiny building block that makes up all living things—plants, animals, and humans. In daily life, “cell” can also mean a small room, especially in a prison or religious house. Another common meaning is a “cell phone,” a portable telephone people carry with them. In technology, it can mean a small part of a spreadsheet or a battery unit. Despite these different uses, the idea of “cell” often refers to something small but important.