vascular endothelial growth factor receptor tyrosine kinase inhibitor

(VAS-kyoo-ler EN-doh-THEE-lee-ul grohth FAK-ter reh-SEP-ter TY-ruh-seen KY-nayz in-HIH-bih-ter) A substance that blocks an enzyme needed to form blood vessels. Also called VEGFR tyrosine kinase inhibitor.