Definition of Dewar, Sir James in English:

Dewar, Sir James

proper noun

  • (1842–1923), Scottish chemist and physicist. He is chiefly remembered for his work in cryogenics, in which he devised the vacuum flask, achieved temperatures close to absolute zero, and was the first to produce liquid oxygen and hydrogen in quantity.

Pronunciation

Dewar, Sir James

/ˈdjuːə/