lymphangiectasia

noun

lymph·​an·​gi·​ec·​ta·​sia ˌlim-ˌfan-jē-ek-ˈtā-zh(ē-)ə 

variants or lymphangiectasis

-ˈek-tə-səs 

plural lymphangiectasias or lymphangiectases -ˌsēz 

: dilatation of the lymphatic vessels

lymphangiectatic

-ek-ˈtat-ik 

adjective