Definition, Meaning & Synonyms

thermos

noun
/ˈθɜːr.məs/
Definition
A thermos is a container designed to keep liquids hot or cold for extended periods of time.
Examples
  • I poured my coffee into the thermos before heading to work.
  • The thermos kept my soup warm for hours during the picnic.
  • For hiking, it’s a good idea to bring a thermos with cold water.
Meaning
The term ‘thermos’ generally refers to a type of vacuum flask that preserves the temperature of its contents, whether hot or cold, by minimizing heat transfer.
Synonyms
  • vacuum flask
  • insulated bottle
  • heat-retaining container