How to Use pH in a Sentence

pH

noun
  • Bowe calls out cleansers with high pH or harsh sulfates.
    — Fiorella Valdesolo, WSJ, 2021-06-08
  • Slightly acidic to neutral soil pH is best for abelias.
    — Kim Toscano, Southern Living, 26 Aug. 2025
  • But when a wound becomes infected, its pH goes up to about nine.
    — Theresa MacHemer, Smithsonian Magazine, 2021-03-25
  • So do most turf types, except bahia, which prefers a pH of 5.5-6.
    — Tom MacCubbin, orlandosentinel.com, 2021-02-20
  • Probably the pH of the water has changed.
    — Chris Perugini, Forbes.com, 13 Aug. 2025
  • This rinse-off masque balances the skin's pH to help achieve a smooth and clear complexion.
    — Jasmine Washington, Seventeen, 2022-09-26
  • The pH is a measure of how acidic or alkaline the water is.
    — Quartz, 2022-07-19
  • Normal rain, by the way, is still slightly acidic, with a pH of about 5.6.
    — Gemma Tarlach, Discover Magazine, 2017-03-09
  • Getting the pH in the 6.3-7 range is crucial for this crop.
    — Gerald Almy, Field & Stream, 2020-05-28
  • These support the correct pH of your skin and help dissolve signs of aging.
    — Grooming Playbook, The Salt Lake Tribune, 2022-06-02
  • Raspberries need very good drainage with a pH of 5.5-6.5.
    — oregonlive, 2020-08-29
  • Most garden and landscape plants grow best in the 6.0-7.0 soil pH range.
    — Miri Talabac, baltimoresun.com, 2021-12-30
  • Rinse the rock-wool starter cubes [D], then soak them in water with a pH of 5.5 for about an hour.
    — Daniel Kluko, Popular Mechanics, 2020-11-07
  • For now, Brawley is a one-man outfit, checking the oxygenation and pH of the tanks.
    — Zoeann Murphy, Washington Post, 2022-12-02
  • The deeper the water, the stabler the nutrient and pH levels.
    — Angela Watson, chicagotribune.com, 2021-03-26
  • Yet on the table in front of us were three vials of blue liquid with a pH of 4—roughly the acidity of coffee or orange juice.
    — Shayla Love, New Yorker, 8 Aug. 2025
  • Take a soil sample to your local county extension office to check the pH and nutrient levels.
    — Arkansas Online, 22 Aug. 2025
  • Many of the wineries on the eastern shore of Cayuga Lake are grown on limestone slopes, which helps the soil maintain a neutral pH for the vines to grow.
    — Brittney Oliver, Essence, 2022-10-04
  • To clean the tiles, Osburn recommends a mild, pH-neutral soap, but suggests testing it in a small area before applying it at large.
    — Patricia Shannon, Better Homes & Gardens, 1 Sep. 2025
  • Ocean acidification occurs when the ocean absorbs excess carbon dioxide, causing its pH to drop.
    — ArsTechnica, 11 Aug. 2025
  • As for upkeep, black pools tend to highlight things like dust, sunscreen residue, and waterline marks more easily, so staying on top of cleaning and pH levels has become part of their routine.
    — Tereza Shkurtaj, People.com, 23 Aug. 2025
  • These formulations, which fine-tune your skin’s pH and replenish hydration, live somewhere between face toner and essence, and the hype behind them isn’t slowing down anytime soon.
    — Deanna Pai, Vogue, 24 Aug. 2025
  • Blacktip reef sharks in the ocean (L); and a comparison of shark teeth after exposure to water with different pH levels (R).
    — Melissa Fleur Afshar, MSNBC Newsweek, 27 Aug. 2025
  • Scientists have developed a novel, non-invasive technique that reshapes the cornea using only a mild electric current and a temporary pH shift.
    — New Atlas, 19 Aug. 2025
  • Leached water from textile waste in landfills contaminates groundwater with harmful chemicals and dyes, which can alter the pH and clarity of surface water.
    — Charlie Campbell, Time, 6 Aug. 2025
  • For instance, the water plants adjust water pH levels and add nonharmful chemicals that essentially coat pipes to prevent lead from leeching into water.
    — Jolene Almendarez, The Enquirer, 14 Aug. 2025
  • Many samples are submitted in the spring to prepare for the growing season, but a fall soil sample submission can be very beneficial for soil pH and some fertility corrections.
    — Nora Doonan, Hartford Courant, 16 Aug. 2025
  • The researchers selected 16 undamaged teeth and 36 teeth with limited damage and placed them in two separate 20-liter water tanks for eight weeks with different pH levels.
    — Katie Hunt, CNN Money, 27 Aug. 2025
  • Eventually, sensors will gather critical data on temperature, pH, and other environmental characteristics.
    — Neetika Walter, Interesting Engineering, 20 Aug. 2025
  • However, a separate 2022 study of Port Jackson sharks (Heterodontus portusjacksoni) determined that the species’ teeth can resist ocean acidification, in part because the effects of rising temperature and falling pH may cancel out in some contexts.
    — Lauren Leffer, Popular Science, 27 Aug. 2025

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

Last Updated: