Meaning of DEWAR in English

ˈd(y)üə(r), -u̇ə- noun

or dewar flask or dewar vessel

( -s )

Usage: usually capitalized D

Etymology: after Sir James Dewar died 1923 Scottish chemist and physicist who invented it

: a usually glass or metal container with at least two walls that has the space between the walls evacuated so as to prevent the transfer of heat, often has a coating (as silvering) on the inside to reduce radiation, and is used especially for storing liquefied gases (as liquid air) or for investigations at low temperatures — compare vacuum bottle

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.