Definition of Fehling's solution in English:

Fehling's solution

(also Fehling's reagent)

noun

  • [mass noun] An alkaline solution of copper(II) sulphate and a tartrate, used in a laboratory test for sugars.

    • ‘Fructose gives a positive test with Fehling's solution too.’
    • ‘The galactomannan was obtained from the alkali-soluble fraction by selective precipitation (Fehling's reagent).’
    • ‘Some are remembered by association with useful substances, like Fehling's solution, or Glauber's salt.’

Origin

Late 19th century: named after the German chemist Hermann von Fehling (1812–85).

Pronunciation:

Fehling's solution

/ˈfeɪlɪŋz/