fibroin

is likely misspelled.

has no English definition.

As a noun fibroin

is a tough elastic protein that is the main component of silk and of spider's webs.

As nouns the difference between fibrin and fibroin

is that fibrin is a white, albuminous, fibrous substance, formed in the coagulation of the blood while fibroin is a tough elastic protein that is the main component of silk and of spider's webs.

As a verb fibrin

is apply fibrin sealant to a surgical site to either stop bleeding or for surgical flap closure.

As nouns the difference between fibroin and fibroid

is that fibroin is a tough elastic protein that is the main component of silk and of spider's webs while fibroid is a benign tumour of the uterus that is comprised of either fibrous connective tissue or muscle.

As nouns the difference between silk and fibroin

is that silk is (uncountable) a fine fiber excreted by the silkworm or other arthropod (such as a spider) while fibroin is (protein) a tough elastic protein that is the main component of silk and of spider's webs.

As an adjective silk

is made of.

As a verb silk

is to remove the silk from (corn).

As nouns the difference between protein and fibroin

is that protein is protein while fibroin is (protein) a tough elastic protein that is the main component of silk and of spider's webs.