aggressin

noun
ag·​gres·​sin | \ ə-ˈgres-ᵊn How to pronounce aggressin (audio) \

Medical Definition of aggressin

: a hypothetical substance held to contribute to the virulence of pathogenic bacteria by paralyzing the host defensive mechanisms (as the white blood cells) and held to be produced by the bacteria in the body of the host

Learn More About aggressin

Dictionary Entries Near aggressin

Aggrenox

aggressin

aggression

See More Nearby Entries 

Cite this Entry

“Aggressin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/aggressin. Accessed 21 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Dog Words Quiz

  • shiba puppy more or less demanding cuddles
  • Which of the following animals has a dog in its etymology?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Typeshift

Anagram puzzles meet word search.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!