How to Use protrusion in a Sentence

protrusion

noun
  • The pain was caused by a protrusion of a disc in his lower back.
  • Those protrusions are topped by a ring of string-like filaments.
    David Grossman, Popular Mechanics, 28 Feb. 2018
  • Arakawa says these protrusions might help the eggs attach to the surface where they're laid.
    National Geographic, 1 Mar. 2018
  • Instead of handles, there are cutouts for your hand—no protrusions.
    Christine Pittel, House Beautiful, 14 Mar. 2014
  • Not just that, the cats had to still look like cats–with no weird protrusions or suspicious scars.
    Kat Eschner, Smithsonian, 8 Aug. 2017
  • Look for the dome-like protrusion shooting out above the anvil of the thunderstorm.
    Tom Yulsman, Discover Magazine, 9 May 2019
  • The scope’s camera can clearly see polyps, or an out-of-place protrusion of cells, which can then be snipped off.
    Charlotte Hu, Vox, 4 June 2024
  • Then a protrusion — an arm, a leg, or perhaps a tentacle — pops out.
    Joshua Bote, USA TODAY, 26 July 2019
  • This has been shown to produce bizarre protrusions, which grow with each successive pass through the cloud.
    Matthew Cappucci, Washington Post, 9 Feb. 2018
  • Pachycephalosaurus had a thick, bony skull with all kinds of jagged protrusions, the better to fight its rivals with.
    Emma Stefansky, GQ, 21 June 2018
  • The closet was a two-sided protrusion with a bar to hang clothes on, covered by a brown curtain.
    Michael Lindsay-Hogg, Town & Country, 22 Aug. 2013
  • These jagged edges made only the smallest protrusions on each side of the vertical slit.
    Fred Bear, Outdoor Life, 6 Apr. 2022
  • The button now sits inside a protrusion that’s not exactly easy on the eyes.
    Chris Smith, BGR, 6 Sep. 2022
  • To get plant cuttings, look for the node—a small protrusion that will turn into roots—between each leaf or set of leaves.
    Deanna Kizis, Sunset Magazine, 19 Apr. 2022
  • The shape has six sides at the top and five sides at the bottom, and one of the sides had a triangular protrusion.
    Avery Thompson, Popular Mechanics, 30 July 2018
  • Smith displayed his wrist to Cuomo, which was broken at the time and still has a large protrusion.
    Madeline Holcombe, CNN, 30 June 2020
  • Now, denticles, the toothlike protrusions that cover the skin of sharks, can be added to the list.
    Quanta Magazine, 2 Jan. 2019
  • The pattern of cracks and protrusions echo one another at every scale.
    Justin Davidson, Curbed, 20 Apr. 2023
  • The voids of one piece match up with the protrusions of its twin, and that lets the two fit together as a single cylinder.
    Eric Limer, Popular Mechanics, 15 May 2017
  • In their trade, a last is a precise model of the foot that replicates its length and width, its protrusions and hollows.
    Los Angeles Times, 22 Oct. 2019
  • Prolapse or protrusion of hemorrhoids don’t go back in.
    Tom Gavin, EverydayHealth.com, 29 Apr. 2026
  • As both of our experts pointed out, any kind of strap on a sandal can irritate the protrusion.
    Brad Lanphear, Men's Health, 1 July 2023
  • There are two pairs of barbels, or the fleshy, whisker-like protrusions found on some fish, on the new species’ face, according to the study.
    Irene Wright, Miami Herald, 28 Feb. 2025
  • The domed protrusions act like pixels, creating a ghost pattern of windows on the façade.
    Justin Davidson, Curbed, 5 Mar. 2025
  • The antlers, a spectacular protrusion of bones that splayed into dozens of points, were the stuff of hunting lore.
    Victor Mather, New York Times, 18 Jan. 2017
  • Skin must be soft enough to gain traction when reaching for a slight crevice or protrusion, yet durable enough to withstand constant wear and tear.
    David Wharton, Los Angeles Times, 5 Aug. 2021
  • The depth gauge will ensure that the raker (the protrusion across from each cutting tooth) is not higher than the cutting tooth.
    Scott Bestul, Field & Stream, 13 July 2023
  • Speckling the algae are berry-like protrusions filled with gas (mainly oxygen) that help the whole seaweed belt float.
    Manasee Wagh, Popular Mechanics, 28 Mar. 2023
  • The gnomon, or the shadow-casting protrusion, is 35 feet tall with a shadow twice that length.
    Stefanie Waldek, Travel + Leisure, 15 Nov. 2021
  • The gnomon, or the shadow-casting protrusion, is 35 feet tall with a shadow twice that length.
    Stefanie Waldek, Travel + Leisure, 15 Nov. 2021

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

Last Updated: