vacuum flask

noun

: thermos

Examples of vacuum flask in a Sentence

Recent Examples on the Web

New Britain Machine made hand tools and the Stanley works, that started with Stanley all-steel vacuum flask, later expanding into a wide range of other items, ending up big in the electric tool business and merging with Black and Decker. — Jody Mamone, Hartford Courant, 17 July 2025

It is then pumped into a truck-sized double-thick vacuum flask on wheels and sent to hospitals. — Washington Post, 24 June 2020

Those without vehicles were seen carrying fuel in cans, bottles, and even vacuum flasks. — Riyaz Wani, Quartz India, 4 Aug. 2019

Word History

First Known Use

1917, in the meaning defined above

Rhymes for vacuum flask

• ask
• bask
• basque
• cask
• casque
• mask
• masque
• pasch
• task
• subtask
• unmask