To save this word, you'll need to log in.
Medical Definition of A band
: one of the cross striations in striated muscle that contain myosin filaments and appear dark under the light microscope and light in polarized light
Comments on A band
What made you want to look up A band? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Challenging Vocabulary Quiz Returns!
- Which is a synonym of fuliginous?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
Share A band