Synonym Chooser

How is the word protrusion different from other nouns like it?

Some common synonyms of protrusion are bulge, projection, and protuberance. While all these words mean "an extension beyond the normal line or surface," protrusion suggests a thrusting out so that the extension seems a deformity.

the bizarre protrusions of a coral reef

When is it sensible to use bulge instead of protrusion?

The meanings of bulge and protrusion largely overlap; however, bulge suggests an expansion caused by internal pressure.

bulges in the tile floor

When is projection a more appropriate choice than protrusion?

The synonyms projection and protrusion are sometimes interchangeable, but projection implies a jutting out especially at a sharp angle.

those projections along the wall are safety hazards

When would protuberance be a good substitute for protrusion?

The words protuberance and protrusion can be used in similar contexts, but protuberance implies a growing or swelling out in rounded form.

a skin disease marked by warty protuberances

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of protrusion Under such low pressure, the electric field causes positive ions generated from the residual gas in a tube to accelerate and bombard the cathode, creating sharp, nanometer-scale protrusions, which degrade and, ultimately, destroy it. Jin-Woo Han, IEEE Spectrum, 23 June 2014 The animals are identified by two protrusions on their lower jaw that appear like upside-down vampire fangs. Irene Wright, Miami Herald, 31 Jan. 2025 The downy also can peck at galls or protrusions on goldenrod plants where insect eggs are lurking. Sheryl De Vore, Chicago Tribune, 21 Jan. 2025 And this protrusion, where all its ports are located, even lights up with a soft, supple glow of RGB illumination. Antonio G. Di Benedetto, The Verge, 7 Jan. 2025 See All Example Sentences for protrusion
Recent Examples of Synonyms for protrusion
Noun
  • Snow White, of course, earned far less than early projections in its opening weekend with a $42.2 million take from 4,200 North American theaters and tumbled 66% in its second frame with a $14.3 million tally.
    Tim Lammers, Forbes.com, 4 Apr. 2025
  • Video Mapping: Some couples are using video mapping — or projections on walls or ceilings — to create visual experiences intended to transport guests.
    Ashley M. Wilcox, New York Times, 4 Apr. 2025
Noun
  • Violet-blue protuberances are surrounded by what look like thorns but are actually soft, if jagged, flower parts.
    Joshua Siskin, Orange County Register, 14 Mar. 2025
  • By flying drones over a remote stretch of the Canadian Arctic, scientists were able to capture unique footage of narwhals, shedding light on the function of their famed protuberances, according to a study published Feb. 27 in Frontiers in Marine Science.
    Brendan Rascius, Miami Herald, 4 Mar. 2025
Noun
  • Unveiling the bulge–disc structure, AGN feedback, and baryon landscape in a massive spiral galaxy with Mpc-scale radio jets.
    Kevin Sabet, Newsweek, 24 Mar. 2025
  • By building calcium carbonate cups one on top of another and budding asexually, polyps collectively bulge, branch, ripple and fan out into diverse shapes, including shelves, boulders, pillars, branches and cauliflower-like nubs.
    Quanta Magazine, Quanta Magazine, 26 Feb. 2025
Noun
  • Lastly, the Constitutional Court deliberated at length and came to its decision—even if a large section of the nation of 50 million disagrees with it as evidenced by the crowds thronging Seoul’s streets.
    Charlie Campbell, Time, 4 Apr. 2025
  • The new 532 bus route was recently implemented bringing bus service to a small section of Route 10 from Plainville to the Stop and Shop.
    George Pohorilak, Hartford Courant, 4 Apr. 2025
Noun
  • Use the dome light and flashers to make your vehicle more noticeable.
    CA Weather Bot, Sacbee.com, 26 Mar. 2025
  • The works also showcase several techniques that are innovating in horology, such as Longwy enamel on faience and wood micro-marquetry – this year gracing a dome table clock for the first time.
    Carol Besler, Forbes, 24 Mar. 2025
Noun
  • But market sentiment remains an overhang, according to several analysts.
    Pia Singh, CNBC, 18 Mar. 2025
  • The fate of external overhangs, including trade policy and geopolitics around exports to China, is a guessing game.
    Kevin Stankiewicz, CNBC, 14 Mar. 2025
Noun
  • When the loss function has a convenient mathematical property called convexity, this procedure is guaranteed to find the optimal solution.
    Zachary C. Lipton, IEEE Spectrum, 26 Jan. 2016
  • Even more interesting is the fact that Noctua is issuing three variants of the cooler with variations in the convexity of the cold plate: a normal, a high-convexity, and a low-convexity model.
    PCMAG, PCMAG, 10 June 2024
Noun
  • Mary, Chrissy, Kamilla, Kyle, David, Star, and Sai (who got the advantage fast pass to the individual portion of the contest) then advanced to round two.
    Dalton Ross, EW.com, 3 Apr. 2025
  • Architectural Digest may earn a portion of sales from products that are purchased through our site as part of our Affiliate Partnerships with retailers.
    India Roby, Architectural Digest, 2 Apr. 2025

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Cite this Entry

“Protrusion.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/protrusion. Accessed 10 Apr. 2025.

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