Recent Examples of free radical from the Web
Reactive oxygen species, or free radicals, are a type of unstable molecule that contains oxygen and easily reacts with other molecules.
The gel cleanser, made with soothing shea butter and free radical-fighting grapeseed oil, scrapes away the most stubborn of waterproof mascaras, leaving skin feeling fresh and clean — but never stripped.
Within cells, a buildup of these free radicals may cause damage to DNA, RNA and proteins, which could eventually lead to cell death and so too cardiovascular disease.
This activates free radicals that contain toxins, which greatly accelerates the process of aging, as well as damages the skin's barrier and elasticity, causing inflammation.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'free radical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of free radical
medical Definition of free radical
Learn More about free radical
Britannica.com: Encyclopedia article about free radical
Seen and Heard
What made you want to look up free radical? Please tell us where you read or heard it (including the quote, if possible).