How to Use brown fat in a Sentence

brown fat

noun
  • Unlike white fat, which stores calories, brown fat burns them.
    — Nancy Clanton, ajc, 21 Oct. 2021
  • But diets or drugs don’t focus on brown fat levels, or fat around the heart.
    — Bethany Brookshire, Scientific American, 27 Mar. 2025
  • If the pot has more than a tablespoon or so of browning fat, pour the excess out.
    — Bethany Jean Clement, The Seattle Times, 14 Nov. 2018
  • Other labs around the world have tried to figure out if brown fat matters in other ways.
    — Max G. Levy, Wired, 3 Jan. 2022
  • Working one at a time, set chops on fatty side with tongs to melt and brown fat cap, about 1 minute each.
    — Adam Rapoport, Bon Appetit, 17 Oct. 2017
  • One theory behind the cold burn is that chilly weather sets brown fat in motion.
    — Dana Benbow, Indianapolis Star, 5 Jan. 2018
  • What was inside the needles was a browning agent, something that converts white fat to brown fat.
    — Emily Price, Fortune, 18 Sep. 2017
  • Scientists once thought that all brown fat disappears by adulthood.
    — Alex Orlando, Discover Magazine, 25 Dec. 2019
  • When brown fat is active, the mitochondria go to work and generate heat.
    — Deborah Netburn, latimes.com, 1 May 2018
  • In order to generate heat, the brown fat cells need to draw on energy reserves stored in other fat cells.
    — Diana Hubbell, Popular Science, 10 Sep. 2025
  • Some studies say that exposure to cold temperatures can prompt the body to recruit more brown fat cells.
    — Alex Orlando, Discover Magazine, 25 Dec. 2019
  • In infants, brown fat helps maintain body temperature.
    — Claudio Villanueva, The Conversation, 11 Mar. 2026
  • Then, about 20 years ago, scientists discovered brown fat in adult humans.
    — Max G. Levy, WIRED, 6 Jan. 2024
  • Instead of storing calories, brown fat dissipates them.
    — Claudio Villanueva, The Conversation, 11 Mar. 2026
  • The sedentary mice were colder than their fit counterparts, meaning that their brown fat stores couldn't quite make up the difference.
    — Nathaniel Scharping, Discover Magazine, 15 Aug. 2018
  • To confirm the chill, researchers used an infrared camera to track skin cooling over the brown fat area and heat loss in the animals’ tail.
    — Emily Willingham, Scientific American, 5 June 2023
  • Still others are trying to convert individual cells (such as stem cells or white fat cells) into brown fat cells.
    — IEEE Spectrum, 22 May 2018
  • White fat is what stores fat and brown fat is a kind of good, healthy fat that promotes thermogenesis (heat production).
    — Amy Synnott, Vogue, 4 Aug. 2023
  • Others are using cold exposure to make bodies generate brown fat.
    — IEEE Spectrum, 22 May 2018
  • It's even being studied as a promising obesity treatment, where it was shown to boost brown fat burn and encourage white fat to turn brown in mice.
    — New Atlas, 16 Nov. 2025
  • Cutting a single amino acid from the diet caused rapid, drastic weight loss in mice by converting white fat into calorie-burning brown fat.
    — New Atlas, 12 July 2025
  • Although people with more brown fat burn more calories when they’re exposed to cold than people who don’t, brown fat alone doesn’t explain the difference.
    — Max G. Levy, WIRED, 6 Jan. 2024
  • Another paper probes how brown fat can be leveraged to combat diabetes and obesity.
    — Alex Orlando, Discover Magazine, 25 Dec. 2019
  • With this, our bodies become more efficient in converting white fat into brown fat, which is easier for the body to burn for fuel.
    — Kat Hillman | Iron Monk Solutions, The Salt Lake Tribune, 6 Dec. 2022
  • In humans, brown fat is most prevalent in infants and primarily located in stores between our shoulder blades.
    — Jackie Flynn Mogensen, Scientific American, 15 Jan. 2026
  • The supplement converts your existing fat into brown fat, which works more efficiently.
    — Dallas News, 18 July 2022
  • This study suggests that the brain’s recollection of cold can act as a switch, turning on the metabolic furnace of brown fat even when the surrounding air is mild.
    — William A. Haseltine, Forbes.com, 20 Aug. 2025
  • Cells in brown fat have an abundance of mitochondria, the powerhouse of the cellular machinery.
    — Deborah Netburn, latimes.com, 1 May 2018
  • An older lab study that looked at animal cells found that CBD could help convert white fat into brown fat, which helps burn calories.
    — Korin Miller, Women's Health, 1 Sep. 2023
  • Exercise also is believed to prompt small amounts of white fat to transform into brown fat, a particularly desirable form of fat that burns a lot of calories.
    — Gretchen Reynolds, New York Times, 6 Dec. 2017

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'brown fat.' 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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