gra·vis
| \ ˈgra-vəs
, ˈgrä-
, ˈgrā-
\
, ˈgrä-
, ˈgrā-
\
Medical Definition of gravis
: tending to be more virulent than average
—used especially of strains of diphtheria bacilli
— see icterus gravis, icterus gravis neonatorum, myasthenia gravis — compare intermedius, mitis
Learn More About gravis
Cite this Entry
“Gravis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/gravis. Accessed 27 Jun. 2022.
Style: MLA
MLA
Chicago
APA
Merriam-Webster
Chicago
APA
Merriam-Webster
Test Your Vocabulary
Great Words for Scrabble
-
- Which of the following Q-without-U words means the number five in cards or dice?
Test your vocabulary with our 10-question quiz!
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Commonly Confused Words Quiz
Take a (break/brake) and (pore/pour) over this (c...
Take the quiz
-
Words Named After People
Find out who’s behind "leotard," "morphine," an...
Take the quiz
-
How Strong Is Your Vocabulary?
Test your vocabulary with our 10-question quiz!
Take the quiz
-
Spelling Bee Quiz
Can you outdo past winners of the National Spelli...
Take the quiz
Share gravis