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noun

mitochondrion

my-tuh-KON-dree-un
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Mitochondrion (noun) means a small structure inside eukaryotic cells that turns food into usable energy in the form of ATP. Example: “Each mitochondrion has its own genetic material.”

noun
1
technical A small structure inside eukaryotic cells that turns food into usable energy in the form of ATP.
"Each mitochondrion has its own genetic material."
"Muscle cells contain many mitochondria because they need a lot of energy."
"The mitochondrion is often described as the powerhouse of the cell."

How to use mitochondrion

Learner’s notes

In plain EnglishThe part of a cell that makes energy from food.

When to use it

It is a scientific term used in biology and medicine.

Memory tip

Use mitochondria for more than one, not mitochondrions.

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Common pairings
mitochondrial DNA mitochondria in the cell energy from the mitochondria
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Test yourself on “mitochondrion” A quick quiz — meaning, synonyms & usage

Fill the gap

Can you complete this real example?

Each _____ has its own genetic material.

Etymology

The word comes from German Mitochondrium, coined by Carl Benda in 1898. Benda built it from Ancient Greek words meaning thread and grain.

Origin: German

Rhymes for mitochondrion

See all rhymes for mitochondrion →

Frequently asked questions

What does a mitochondrion do?
It converts food into usable energy in the form of ATP. It sits in the cytoplasm of eukaryotic cells.
What is the plural of mitochondrion?
The normal plural is mitochondria. Mitochondrions is rare and regarded as incorrect.
Do mitochondria have their own DNA?
Yes, a mitochondrion contains genetic material separate from that of its host cell.
What is the meaning of mitochondrion?
"mitochondrion" (noun) means a small structure inside eukaryotic cells that turns food into usable energy in the form of ATP.
Definitions: FreeDict original editorial