fibril noun. ['fʌɪbrɪl] M17.
[mod. Latin fibrilla: see FIBRILLA.]
1. Botany. The ultimate subdivision of a root. M17.

2. A small or delicate fibre; spec. a constituent strand of an animal, vegetable, or man-made fibre. Also, a threadlike molecular formation such as occurs in some colloidal systems and proteins. L17.

[TahlilGaran] English Dictionary ▲