angioplasty /ˈæn.d͡ʒi.əʊ.plæs.ti/noun 1verb 1forms 3 noun1 •The mechanical widening of a narrowed or totally obstructed blood vessel generally caused by atheroma. verb1 •To perform angioplasty upon.Stenotic lesions identified were angioplastied if deemed to narrow the lumen by greater than 50% compared with the adjacent normal artery or vein and deemed to be flow restricting. — 2013 formsangioplastied · angioplastying · angioplasties