fibr-

1. variant of fibro- before a vowel.

   fibrin.

When To Use

What does fibr- mean?

Fibr- is a combining form used like a prefix meaning “fiber” (or “fibre,” in British English). It is often used in some scientific and medical terms. In medicine, fiber refers to slender, threadlike parts of nerve, muscle, or connective tissue.Fibr- comes from the Latin fibra, meaning “fiber, filament, entrails.” Outside of medicine, fiber has a wide variety of senses in areas ranging from botany to optics to chemistry to nutrition, of course. Be sure to get your fill of fiber at our entry for the word.Fibr- is a variant of fibro-, which loses its -o- when combined with words or word elements beginning with vowels.Want to know more? Read our Words That Use fibro- article.