How to Use quaternary in a Sentence

quaternary

adjective
  • There were no quaternary ammonia test strips available at the restaurant.
    — Sacbee.com, 5 Dec. 2025
  • The restaurant had no quaternary ammonia test strips available at the time of inspection.
    — Sarah Linn, Sacbee.com, 3 Oct. 2025
  • The boys are cousins but more genetically similar to siblings and are considered quaternary twins.
    — Wendy Grossman Kantor, Peoplemag, 4 Aug. 2023
  • This quaternary ammonium salt acts as a formaldehyde releaser.
    — Melissa Breyer, Treehugger, 8 Aug. 2023
  • No quaternary ammonia chemical test kit.
    — Gege Reed, Louisville Courier Journal, 26 Sep. 2025
  • The facility lacked quaternary ammonia test strips.
    — Veronica Fernandez-Alvarado may 15, Sacbee.com, 15 May 2026
  • One system is binary and the other is quaternary, but the two have a surprising amount of conceptual overlap; both systems can properly be thought of as digital.
    — Rob Toews, Forbes, 16 July 2023
  • The industry standard for wipes and sprays is a solution that contains quaternary ammonium, an anti-bacterial compound.
    — Scott Douglas, Washington Post, 29 July 2019
  • Read labels for fragrance disclosures and ammonium quaternary compounds.
    — Lauren Jarvis-Gibson, Charlotte Observer, 25 June 2026
  • With the additions, the north-side facility will seek to become a regional quaternary care center, which will provide specialty complex care to patients from around the state as well as the region, hospital officials said.
    — Alexandria Burris, The Indianapolis Star, 4 June 2021
  • Meanwhile, 24 eateries, including a local cafe, received citations for health code violations such as brown residue in the ice machine, a lack of quaternary ammonia test strips and improperly cooled food.
    — Veronica Fernandez-Alvarado may 15, Sacbee.com, 15 May 2026
  • Transfers from other hospital systems are limited to those requiring quaternary care and must be coordinated through the system’s Mission Control.
    — Kristen Jordan Shamus, Detroit Free Press, 6 Jan. 2022
  • New encoding schemes and measurement bases could be developed based on the mathematics of the quaternary structure, increasing resilience against technical imperfections and side-channel attacks.
    — Pravir Malik, Forbes.com, 19 Sep. 2025
  • Tenet Healthcare offers tertiary (specialized) care such as cardiothoracic surgery, complex spinal surgery, neonatal intensive care and neurosurgery, along with quaternary care (a higher level of specialized care).
    — Charles Rotblut, Forbes, 12 Dec. 2024
  • Ingestion of quaternary-ammonium compounds in dogs can cause reduced appetite, and gastric irritation including diarrhea and vomiting.
    — Seattle Times Staff, The Seattle Times, 19 June 2017
  • SurfaceWise2′s active ingredient is quaternary ammonium, which is widely used as a disinfectant in hospitals against bacteria, fungi and certain viruses.
    — Ashton Nichols, Dallas News, 2 June 2020
  • The affected batch was recalled after the pet group found that the rawhide chew manufacturers in Mexico, Columbia and Brazil were using a quaternary ammonium compound mixture in the process of manufacturing the items.
    — Lindsey Murray, Good Housekeeping, 20 June 2017
  • The National Institutes of Health has designated quaternary ammonium as asthma-causing and irritable to eyes and skin, flammable and corrosive, harmful to aquatic ecosystems, and persistent in the environment.
    — Ashton Nichols, Dallas News, 2 June 2020

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