Dictionary

hydroflask en · NOUN

Etymology

From hydro- + flask.

Meanings

1. A device for carrying out polymerization under pressure.
   • The denture is removed just as the material becomes rubbery, and further polymerization carried out in a hydroflask under pressure. 2002, Hugh Devlin, Complete Dentures:
   • Place the model in a hydroflask containing hot water (55°) and close with a pressure of 2–4 bar, leave for 15 minutes. 2013, Tony Johnson, David G. Patrick, Christopher W. Stokes, Basics of Dental Technology: A Step by Step Approach:
2. A thermos-like vacuum flask with a handle on its lid, used to contain water, coffee, or other beverages (from a genericized trademark).
   • I have a Hydroflask because I like my water cold. 2019 November 7, Jess Ferguson, “VSCO girls: Why we need to stop belittling teenage girls' interests”, in The Berkeley Beacon, Emerson College, page 5:
   • Canyon Cultivation director of operations Timothy McMurray sips the bold, rich brew—made with Guatemalan beans roasted by award-winning Coda Coffee in Denver—from a hydroflask throughout the day. 2016, Amanda Rae, "Eat Me!: The First Annual Edible Gift Guide (And Lessons Along The Way)", Aspen Times Weekly, 22 December - 28 December 2016, page 14
   • I heat up yesterday's leftover coffee and refill my hydroflask. 2018, Lindsey Stanberry, Money Diaries: Everything You've Ever Wanted To Know About Your Finances... And Everyone Else's, unnumbered page:

Forms