Fibril is a 6 letter English word. It's valid Scrabble word worth 11 points. It's valid Words with friends word worth 13 points.
You can make 49 anagrams from letters in fibril (bfiilr).
1655-65; New Latin fibrilla, equivalent to Latin fibr(a) fiber + -illa diminutive suffix
Fī′bril, a small fibre; one of the extremely minute threads composing an animal fibre; fibril′la, a fibril, filament.