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cellular respiration

American

[sel-yuh-ler res-puh-rey-shuhn] / ˈsɛl yə lər ˌrɛs pəˈreɪ ʃən /

noun

Physiology.

the oxidation of organic compounds that occurs within cells, producing energy for cellular processes.

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How does cellular-respiration compare to similar and commonly confused words? Explore the most common comparisons:

photosynthesis vs. cellular respiration

Example Sentences

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The compound is absorbed mainly by specific cancer cells, where it disrupts critical biological functions including cellular respiration and DNA production.

From Science Daily • Mar. 12, 2026

Mitochondria use oxygen during cellular respiration to produce energy.

From Science Daily • Mar. 9, 2026

Some vegetable crops have a very high cellular respiration rate, and so deteriorate quickly after harvest.

From Seattle Times • Jun. 10, 2023

Your crops are undergoing cellular respiration as they grow, and continue to do so after you pick them.

From Seattle Times • Jun. 10, 2023

The products of photosynthesis, carbohydrates and oxygen gas, are used during cellular respiration.

From Textbooks • Jun. 9, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023