Definition

1. Proper noun:
   • Sir James Dewar: A Scottish chemist and physicist renowned for his significant contributions to the field of low-temperature physics (cryogenics) and for inventing the vacuum flask, which is named after him (the Dewar flask).

Usage Examples

• Proper noun:
  • Sir James Dewar was a key figure in the development of cryogenics.
  • The principle behind the modern thermos was pioneered by Sir James Dewar.

Advanced Usage

• The term is used almost exclusively as a proper noun to refer to the historical figure. It is commonly found in academic texts related to the history of science, physics, and chemistry.

Variants and Related Words

• Dewar (noun): Often used as a shortened, informal reference to Sir James Dewar.
• Dewar flask (noun): The insulating vessel he invented, also commonly called a vacuum flask or thermos.
• Cryogenics (noun): The branch of physics he helped advance, dealing with the production and effects of very low temperatures.

Synonyms

• Scientist
• Inventor
• Physicist
• Chemist

Related Phrases

• Dewar vessel: Another term for a Dewar flask.
• Liquid hydrogen research: An area of study significantly advanced by Dewar's work.

Related Idioms

Noun

1. Scottish chemist and physicist noted for his work in cryogenics and his invention of the Dewar flask (1842-1923)