Cell

/sɛl/

nounBeginner🔥Very CommonBiology
3 meanings2 questions

Definitions

3 meanings
1

The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

/sɛl/

nounneutralBeginner
Biology

A basic unit of living matter

Plant cells have chloroplasts.

💡 Simply: Imagine a tiny apartment, so small you can only see it with a super-powerful magnifying glass! That's a cell – the basic building block of all living things, like plants and animals.

👶 For kids: It's like a tiny LEGO brick that makes up everything alive!

More Examples

2

Blood cells carry oxygen.

How It's Used

Biology

"The scientist studied the cell's structure under the microscope."

Medicine

"The doctor explained the effects of radiation on the cancer cells."

2

A small room, especially one in a prison or monastery.

/sɛl/

nounneutralBeginner
Structure

A small compartment or room

The monk lived a solitary life in his cell.

💡 Simply: A tiny room, like a super small bedroom. Monks used to live in cells, and so do prisoners, unfortunately!

👶 For kids: A tiny room, like a bedroom for a toy.

More Examples

2

The prisoner was kept in a solitary confinement cell.

How It's Used

Architecture

"The monastery had many small cells for the monks to live in."

Prison

"The prisoner was confined to his cell."

Tip:Think of a monk's cell – a small, private room.
3

A single unit in a battery or similar structure.

/sɛl/

nounneutralIntermediate
Technology

A unit in a larger structure

Solar panels are composed of many photovoltaic cells.

💡 Simply: Like a little battery within a bigger battery, or a little box inside a bigger box!

👶 For kids: A tiny part of something bigger.

How It's Used

Technology

"The battery is made up of many individual cells."

Tip:Think of a honeycomb – each individual hexagon is a cell.

From Middle English *celle, from Old French *cele, from Latin *cella "small room, compartment," diminutive of *cela "room, chamber."

The word 'cell' has been used to describe small rooms since the Middle Ages, its biological meaning emerging much later.

Memory tip

Think of a 'cell' as a tiny room, like a prison cell, containing all the necessary components for life.

Word Origin

Original meaning

"small room"

cell membranecell wallfuel cellsolar cell

Common misspellings

celsell

Usage

70%Spoken
30%Written