Gerund functioning as a noun.
Occluding of the coronary artery can lead to a heart attack.
L’occlusion de l’artère coronaire peut entraîner une crise cardiaque.
occludinggerund / present participle More precise tagging: present-participle adjective.
The occluding clouds made it difficult to see the stars at night.
Les nuages obstruants rendaient difficile l’observation des étoiles la nuit.
occludegerund / present participle Describes something currently blocking or obstructing.
The occluding mass prevented any further blood flow.
La masse obturante a empêché toute poursuite du flux sanguin.