fibril /fīˈbril/

1. A small fibre
2. A root hair
3. A minute threadlike structure such as the longitudinal contractile elements of a muscle-fibre

fibrillˈa /fī- or fi-/ noun (pl fibrillˈae /-ē/)

A fibril filament

fiˈbrillar, fiˈbrillary, fiˈbrillate or fiˈbrillated adjective

Relating to, of the nature of, or having fibrils or a fibrous structure

fiˈbrillate intransitive verb and transitive verb

To (make) undergo fibrillation

fibrillāˈtion noun

1. The production or formation of fibrils or fibres
2. A mass of fibrils
3. A twitching of muscle fibres
4. Unco-ordinated contraction of muscle-fibres in the heart (medicine)

• huffing and puffing
• huffish
• huffishly
• huffishness
• huffishnesses
• huffkin
• huffkins
• huffs
• huffy
• hug
• huge
• hugely
• hugeness
• hugenesses
• hugeous
• hugeously
• hugeousness
• hugeousnesses
• huger
• hugest
• huggable
• hugged
• jerry-come-tumble
• jerrymander
• jerry-shop