fīˈbrōsə̇s noun
( plural fibro·ses -ōˌsēz)
Etymology: New Latin, from fibr- + -osis
: a condition marked by a relative increase in the formation of interstitial fibrous tissue in any organ or region of the body : fibrous degeneration
• fi·brot·ic (ˈ)fī|bräd.ik adjective