fibril

[ fahy-bruh l, fib-ruh l ]
/ ˈfaɪ brəl, ˈfɪb rəl /

noun

a small or fine fiber or filament.
Botany. any of the delicate hairs on the young roots of some plants.
Cell Biology. any threadlike structure or filament.

Origin of fibril

1655–65; < New Latin fibrilla, equivalent to Latin fibr(a) fiber + -illa diminutive suffix

OTHER WORDS FROM fibril

fi·bril·lar, adjective fi·bril·lose, adjective

Words nearby fibril

fibrefill, fibreglass, fibremia, fibrescope, fibriform, fibril, fibrilla, fibrillar, fibrillary contractions, fibrillary tremor, fibrillate

Example sentences from the Web for fibrillar

British Dictionary definitions for fibrillar

fibril

fibrilla (faɪˈbrɪlə, fɪ-)

/ (ˈfaɪbrɪl) /

noun plural -brils or -brillae (-ˈbrɪliː)

a small fibre or part of a fibre
biology a threadlike structure, such as a root hair or a thread of muscle tissue

Derived forms of fibril

fibrilar, fibrillar or fibrillose, adjective fibrilliform, adjective

Word Origin for fibril

C17: from New Latin fibrilla a little fibre

Medical definitions for fibrillar (1 of 2)

fibrillar
[ fī′brə-lər, fĭb′rə- ]

adj.

Relating to a fibril.
Relating to the fine rapid contractions or twitchings of fibers or of small groups of fibers in skeletal or cardiac muscle.

Medical definitions for fibrillar (2 of 2)

fibril
[ fī′brəl, fĭb′rəl ]

n.

A minute fiber.

Scientific definitions for fibrillar

fibril
[ fī′brəl, fĭb′rəl ]

Any of various threadlike fibers or filaments that are constituent parts of a cell or larger structure. Cellulose fibrils are the main component of cell walls in plants. Fibrils make up the contractile part of striated muscle fiber in the body.