Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Medical Dictionary

Danysz phenomenon

play
noun Da·nysz phenomenon \ˈdän-ish-\

Medical Definition of Danysz phenomenon

  1. :  the exhibition of residual toxicity by a mixture of toxin and antitoxin in which the toxin has been added in several increments to an amount of antitoxin sufficient to completely neutralize it if it had been added as a single increment—called also



Biographical Note for danysz phenomenon

Danysz, Jean (1860–1928), Polish-French pathologist. Danysz reported on the Danysz phenomenon in an 1899 article on toxins and antitoxins. He is also known for two other achievements: the isolation in 1900 of the bacterium (Salmonella typhimurium) that is the most frequent cause of human food poisoning, and the first use of radium in treating malignant diseases in 1903.


Seen and Heard

What made you want to look up Danysz phenomenon? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

marked by propriety and good taste

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily prompt angry maudlin
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ