Fehling's solution

noun

Feh·​ling's solution ˈfā-liŋ(z)- 

: a blue solution of Rochelle salt and copper sulfate used as an oxidizing agent in a test for sugars and aldehydes

Word History

Etymology

Hermann Fehling †1885 German chemist

First Known Use

1873, in the meaning defined above

Kids Definition

Fehling's solution

noun

Feh·​ling's solution ˈfā-liŋ(z)- 

: a blue solution prepared by mixing solutions of Rochelle salt and copper sulfate and used especially in a test for sugars

Medical Definition

Fehling's solution

noun

Feh·​ling's solution ˈfā-liŋ(z)- 

variants or Fehling solution

-liŋ- 

: a blue solution of Rochelle salt and copper sulfate used as an oxidizing agent in a test for sugars and aldehydes in which the precipitation of a red oxide of copper indicates a positive result