How to Use downstroke in a Sentence

downstroke

noun

• Press it once to power the bike on and make the motor ready to assist the next pedal downstroke.
  — Thomas Ricker, The Verge, 6 Sep. 2018
• In our hippogriff, the muscles of the back drive the upstroke, and the muscles of the chest power the downstroke, just as in living bats and long-extinct pterosaurs.
  — Michael B. Habib, Scientific American, 17 Mar. 2021
• During the downstroke, the lamellae close up so that the birds can generate more power to fly.
  — IEEE Spectrum, 20 Jan. 2023
• Findings show the downstroke of both pairs of flippers proved more powerful than the upstroke.
  — Tim Newcomb, Popular Mechanics, 21 June 2022
• By observing smoke added to the wind, the researchers noticed the dragonflies twisted their wings on each downstroke.
  — Anchorage Daily News, 20 July 2019
• The receiving partner leads on rocking with the upstroke and the penetrating partner leads on the downstroke.
  — Dr. Nan Wise, Glamour, 19 Mar. 2021
• Clip-ins are cycling shoes that connect to a bike's pedals via little metal or plastic cleats so that the rider can use leg power on the upstroke as well as the downstroke.
  — Jacqueline Detwiler, Popular Mechanics, 6 Mar. 2017
• With each powerful downstroke of your pedals, your core temperature climbs a tiny fraction of a degree.
  — Peter Stark, Outside Online, 25 June 2013
• A hydrodynamic analysis of the humpback's movements in the lab confirmed that both the upstroke and the downstroke of its flippers provide forward thrust.
  — Carrie Arnold, National Geographic, 12 July 2017
• Whereas ordinary birds pull themselves aloft with just the downstroke of their wings, insects and hummers generate lift in both directions.
  — Jonathon Keats, Discover Magazine, 21 June 2019
• The wing segments close during the following downstroke to create a more powerful downstream force; the smaller the bird robot makes itself, by contracting its wings, the less friction.
  — Courtney Linder, Popular Mechanics, 9 July 2020
• Instead, butterfly wings bend, which researchers suspected might cup air between them to strengthen their downstroke.
  — Rachael Lallensack, Smithsonian Magazine, 29 Dec. 2021
• Krahl credits the evolution of four uniform wing-like flippers for the Plesiosaur’s ability to twist and produce a powerful downstroke to propel itself with force underwater.
  — Tim Newcomb, Popular Mechanics, 21 June 2022
• The crested pigeon’s unusually narrow eighth primary wing feather produced a distinct high note with each downstroke.
  — Charles Choi, Discover Magazine, 9 Nov. 2017

Last Updated: 4 Oct 2024