Ablation is a noun. A noun is a type of word the meaning of which determines reality.

What part of speech is ablation?

ablation. / (æbˈleɪʃən) / noun.

What is ablation?

Listen to pronunciation. (a-BLAY-shun) In medicine, the removal or destruction of a body part or tissue or its function. Ablation may be performed by surgery, hormones, drugs, radiofrequency, heat, or other methods.