Word.ws English Dictionary

Plural of flask

regular plural

The plural of flask is flasks.

Forms of flask

Singularflask /ˈflɑːsk/
Pluralflasks /flɑːsks/
Countablecountable

Flasks in a sentence

  • Over the years, the railway has been the safest way to move hazardous chemicals, radioactive waste, fuel for Royal Navy nuclear submarines and imported fuel for reprocessing, as well as flasks containing fuel rods to and from British power stations.2023 December 27, Ben Jones, “Inside Sellafield... by rail”, in RAIL, number 999, page 21
  • Her new novel involves a mad scientist, but there's more to it than just bubbling flasks and lightning bolts.From the entry mad scientist
  • The flasks for hydrosilylation were closed by septa and dried with a hotgun under a nitrogen flow.2000 February, Christian Drohmann, Martin Möller, Olga B. Gorbatsevich, Aziz M. Muzafarov, “Hyperbranched polyalkenylsilanes by…. From the entry hotgun
  • Seed 10⁷ cells into 75-cm² cell-culture flasks, add 15 ml proliferation medium, and amplificate the cells in an incubator (37°C; 5% CO₂).2007, Detlef Schumann, Andrew K. Ekaputra, Christopher X. F. Lam, Dietmar W. Hutmacher, “Biomaterials/Scaffolds […]”, in Hansjörg Hauser…. From the entry amplificate
  • Bleeding.—Bleeding for therapuetic sera are made with trocar and rubber tube into 2-liter Erlenmeyer flasks having a large flat wire eggbeater to support the clot.1920, William Hallock Park, Public Health and Hygiene: In Contributions by Eminent Authorities, page 57. From the entry eggbeater

Meaning of flask

  1. noun A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.
  2. noun A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.
  3. noun Laboratory glassware used to hold larger volumes than test tubes, normally having a narrow mouth of a standard size which widens to a flat or spherical base.

Full definition of flask

Questions about the plural of flask

What is the plural of flask?
The plural of flask is flasks.
Is flask countable?
Flask is a countable noun.

Source and license

Adapted from Wiktionary: flask (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of flask.” Word.ws, https://word.ws/plural/flask. Based on Wiktionary, CC BY-SA 4.0.