Cell

usgb/sel/
noun

The smallest unit of life that can replicate independently, and is often called the building block of life.

The human body is made up of trillions of cells.
Visual representation of "cell" - The smallest unit of life that can replicate independently, and is often called the building block of life.

Often appears as...

  • human cell
  • animal cell

Usage tips

Academic

Definition 1 of 5
Visual representation of "cell"
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Multiple Topics

The word 'cell' in biology might come up in a variety of topics, from genetics to botany.

Illustration for Multiple Topics
In marine biology, we studied how algae cells perform photosynthesis.
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Microscale Focus

When used in biology, 'cell' often requires thinking on a very small, microscopic scale.

Illustration for Microscale Focus
Cells are too small to see without a microscope.
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Living Organism

In biological context, 'cell' denotes a living component, not a lifeless structure.

Illustration for Living Organism
Every living organism, from plants to animals, is made up of cells.
Visual representation of the word "Cell"

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