dewar flask








noun

  1. a container with an evacuated space between two walls that are highly reflective, capable of maintaining its contents at a near-constant temperature over relatively long periods of time; thermos.

noun

  1. a type of vacuum flask, esp one used in scientific experiments to keep liquid air, helium, etc; Thermos

Leave a Reply

Your email address will not be published. Required fields are marked *

48 queries 1.817