How to Use free radical in a Sentence

free radical

noun
Definition of free radicalnext
  • These sprouts help the body produce more antioxidants, protecting cells from free radical damage.
    — Sandra Rose Salathe, Flow Space, 28 June 2024
  • Oils that are repeatedly heated, such as canola oil used in deep-fat frying, also contain harmful compounds like free radicals.
    — Jillian Kubala, Rd, Health, 10 July 2024
  • In contrast, when the brain draws its energy from ketones, fewer free radicals are produced, and antioxidants can travel freely.
    — Susie Neilson, The Cut, 26 Jan. 2018
  • During the process, free radicals and singlet oxygen are also formed and can inflict damage on cellular membranes, organelles, and proteins.
    — Lindsey Murray, Good Housekeeping, 28 Apr. 2017
  • 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.
    — Sarah Kinonen, Allure, 3 Oct. 2017
  • If left unchecked, chronic inflammation can lead to signs of skin aging by creating free radicals that scavenge electrons from healthy cells, therefore rendering them unstable.
    — Dr. Leslie Baumann, miamiherald, 22 Jan. 2018
  • Stevia is a natural antioxidant, helping your body fight against free radicals (molecules that can damage cells, lead to heart disease and cancer, as well as other illnesses).
    — The Editors Of Organic Life, Good Housekeeping, 8 Aug. 2017
  • Reactive oxygen species, or free radicals, are a type of unstable molecule that contains oxygen and easily reacts with other molecules.
    — Susan Scutti, CNN, 16 Oct. 2017
  • Sid was being fueled by free drugs, so that’s the free radical gone in him.
    — Corey Seymour, Vogue, 13 Sep. 2018
  • Keep this at your desk to shield your skin from free radical damage that can be caused by pollution—whether through the light or air.
    — Roxanne Adamiyatt, Town & Country, 26 June 2023
  • Still, the researchers say there’s much more work to be done to understand how free radicals are working in tardigrades.
    — Meghan Bartels, Scientific American, 17 Jan. 2024
  • The antioxidant, made of amino acids, hydrates and shields skin from free radicals.
    — Sarah Kinonen, Allure, 9 Aug. 2018
  • President Trump remains a free radical at the center of the action.
    — Tory Newmyer, Washington Post, 23 Apr. 2018
  • The synthetic melanin cream soaked up the free radicals and quieted the immune system.
    — Laura Baisas, Popular Science, 2 Nov. 2023
  • Those free radicals create a figurative grenade that goes off and destroys the virus’ RNA.
    — Peter Krouse, cleveland, 20 Mar. 2020
  • Walking through these fields, running my fingers over the leaves that have been proven to moisturize, soothe, and fight free radicals — now that truly feels like Shangri-La.
    — Jenny Bailly, Allure, 21 Mar. 2019
  • But when Böke peered inside dormant human and frog oocytes, they weren’t overloaded with free radicals at all.
    — Quanta Magazine, 13 May 2024
  • Rich in antioxidants, Garshick swears by this hand cream to protect skin from free radical damage.
    — Tiffany Dodson, Harper's BAZAAR, 7 Dec. 2022
  • Beyond that, artemia salina, or plankton extract, fights free radicals and oxidative stress on the skin.
    — Anneke Knot, Peoplemag, 29 Sep. 2023
  • Antioxidants help to protect both hair and scalp against free radicals.
    — Tatjana Freund, ELLE, 28 Mar. 2023
  • And those free radicals break down collagen and elastin, which is why countering them with antioxidants can go a long way.
    — Deanna Pai, Condé Nast Traveler, 4 Oct. 2019
  • The antioxidants present in this specialized dog food help protect the cells lining the urinary tract from damage caused by free radicals.
    — Amber Smith, Discover Magazine, 10 Aug. 2023
  • Much like the sun causes skin cancer, the damage from UV rays can cause the creation of destructive molecules within the body, called free radicals, Khan explains.
    — Macaela MacKenzie, Allure, 6 July 2018
  • This antioxidant fights free radical damage while protecting the skin from the sun’s harmful UV rays.
    — Sophie Dweck, Town & Country, 16 Nov. 2022
  • The antioxidant also protects your cells against the damaging effects of free radicals and aids in the absorption and storage of iron.
    — Caroline Picard, Good Housekeeping, 13 Dec. 2018
  • That process converts the particles into something known as free radicals, which can damage cells and tissues.
    — Janet Loehrke, USA TODAY, 21 June 2024
  • That process converts the particles into something known as free radicals, which can damage cells and tissues.
    — George Petras, USA TODAY, 8 June 2023
  • Unseen Sunscreen has a protection factor of SPF 40, applies clear on all skin tones, and provides blue light and free radical defense.
    — Emily Orofino, Good Housekeeping, 1 Oct. 2021
  • Lots of antioxidants to protect skin from free radical damage as well.
    — Tatjana Freund, elle.com, 1 June 2023
  • Vitamin E: Vitamin E can help protect the skin from damage caused by free radicals.
    — Amber Smith, Discover Magazine, 6 Nov. 2023

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'free radical.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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