dilatinggerund / present participle Present participle of “dilate”, used adjectivally.
The dilating pupils of the cat indicated that it was excited.
Les pupilles dilatantes du chat indiquaient qu’il était excité.
Gerund of “dilate” functioning as an uncountable noun.
The rapid dilating of the arteries helped to cool her body.
La dilatation rapide des artères a aidé à refroidir son corps.