| fibrilla | He's still fibrillating. |
| Fibrilla | ‖n.; |
| Fibrillar | a. Of or pertaining to fibrils or fibers; |
| Fibrillary | a. Of of pertaining to fibrils. [ 1913 Webster ] |
| Fibrillated | a. Furnished with fibrils; fringed. [ 1913 Webster ] |
| Fibrillation | n. The state of being reduced to fibers. Carpenter. [ 1913 Webster ] |
| fibrillate | (v) make fine, irregular, rapid twitching movements, Example: His heart fibrillated and he died |
| fibrillation | (n) muscular twitching involving individual muscle fibers acting without coordination |
| fibrillation | (n) act or process of forming fibrils |