Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “mitochondrion”

mitochondrion

noun [C] /ˌmɑɪ·t̬əˈkɑn·dri·ən/ (plural mitochondria  /ˌmɑɪ·t̬əˈkɑn·dri·ə/)
biology in a cell, a long or round structure found in the cytoplasm (= substance surrounding the central part) that produces energy for the cell by changing food into a form it can use
(Definition of mitochondrion from the Cambridge Academic Content Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “mitochondrion” in other dictionaries

Translations of “mitochondrion”

Word of the Day

aptitude

a natural ability or skill

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More