or  tel*an*gi*ec*ta*sis  n, pl  -ta*sias  or  -ta*ses   1  :  an abnormal dilatation of capillary vessels and arterioles that often forms an angioma  2  :  HEREDITARY HEMORRHAGIC TELANGIECTASIA tel*an*gi*ec*tat*ic adj 
 
    
 
Published under license with Merriam-Webster, Incorporated.  © 1997-2024.