/ Dictionary / Index F fibrinoid: Meaning and Definition of Find definitions for: fi•bri•noid Pronunciation: (fī'bru-noid", fib'ru-), [key] — adj. having the characteristics of fibrin. —n. an acellular homogenous protein resembling fibrin, present in the maturing placenta and in certain diseased blood vessels and connective tissues. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fibrinogenic fibrinolysin Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language