thermos

word

Definition

A container designed to keep liquids hot or cold for a long time by using insulation.

Usage & Nuances

'Thermos' can refer to any vacuum flask, though it was originally a brand name. Used mostly for drinks like coffee, tea, or soup. Not commonly used with carbonated drinks. In British English, also called a 'flask'.

Example Sentences

I put my tea in a thermos to keep it warm.

basic

She brought a thermos of coffee to the meeting.

basic

My soup stays hot in this thermos all day.

basic

Don’t forget your thermos before you head out for the hike!

natural

He always carries a thermos for his morning commute.

natural

Is there any hot chocolate left in the thermos?

natural