fibrillar
adjective
fi·bril·lar
ˈfib-rə-lər 
ˈfīb-; fī-ˈbril-ər
fi-
ˈfīb-; fī-ˈbril-ər
fi-
1
: of or like fibrils or fibers
a fibrillar network
2
: of or exhibiting fibrillation
fibrillar twitchings
Cite this Entry
“Fibrillar.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/fibrillar. Accessed 31 Oct. 2025.
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