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Thermos Root Word. (n.) trademark registered in britain 1907, invented by sir james dewar (patented 1904 but not. A container (such as a bottle or jar) with a vacuum between an inner and outer wall used to keep material and.
A container (such as a bottle or jar) with a vacuum between an inner and outer wall used to keep material and. (n.) trademark registered in britain 1907, invented by sir james dewar (patented 1904 but not.
(n.) trademark registered in britain 1907, invented by sir james dewar (patented 1904 but not. (n.) trademark registered in britain 1907, invented by sir james dewar (patented 1904 but not. A container (such as a bottle or jar) with a vacuum between an inner and outer wall used to keep material and.
