oxidative
Americanadjective
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Chemistry. relating to, causing, resulting from, or involving oxidation, the process in which a substance is combined with oxygen.
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Biochemistry. relating to physical stress or cell damage caused by an excess of free radicals and an insufficiency of antioxidants in the body.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These helper T cells triggered ferroptosis, a form of cell death driven by iron-dependent oxidative stress.
From Science Daily • Jun. 4, 2026
The team measured urinary levels of 8-OHdG, a marker used to assess oxidative DNA damage repair capacity.
From Science Daily • May 30, 2026
In each of these systems, cells can become senescent due to factors such as oxidative stress, mitochondrial dysfunction, DNA damage, chronic inflammation, metabolic stress, telomere shortening, ultraviolet radiation, and environmental pollution.
From Science Daily • May 22, 2026
Eggs also provide lutein and zeaxanthin, which are carotenoids that build up in brain tissue and have been linked to better cognitive performance and lower levels of oxidative stress.
From Science Daily • May 7, 2026
“Do you understand the long-term issues of a cross-country run like you’re planning? Muscle damage, oxidative stress, enlargement of the heart, knee damage, hip and pelvis misalignment, should I go on?”
From "A Heart in a Body in the World" by Deb Caletti
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
