SINCE 1828
reagin
noun
re·agin
| \ rē-ˈā-jən
, -gən\
, -gən\
Definition of reagin
1
: a substance in the blood of persons with syphilis responsible for positive serological reactions for syphilis
2
: an antibody (such as IgE in humans) that mediates hypersensitive allergic reactions of rapid onset
Other Words from reagin
reaginic
\ ˌrē-ə-ˈji-nik
, -ˈgi- \
adjective
, -ˈgi- \
adjective
Keep scrolling for more
Keep scrolling for more
More Definitions for reagin
reagin
noun
re·agin
| \ rē-ˈā-jən
, -gən
\
, -gən
\
Medical Definition of reagin
1
: a substance that is in the blood of individuals with syphilis and is responsible for positive serological reactions for syphilis
2
: an antibody (as IgE in humans) that mediates hypersensitive allergic reactions of rapid onset
Other Words from reagin
reaginic
\ ˌrē-ə-ˈjin-ik
, -ˈgin-
\
adjective
, -ˈgin-
\
adjective
Comments on reagin
What made you want to look up reagin? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Finance Words Quiz
-
- The etymology of mortgage is related most closely to which two words?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
Share reagin
Resources for reagin