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She was close enough that he could smell the perfume.
The clouds began to dissipate after the storm. He watched her anger dissipate into a profound sense of relief as the truth finally sank in.
Smoke will dissipate faster when there is a breeze blowing.
The noun forms of the verb to dissipate are dissipation, dissipator (or dissipater), and the gerund, dissipating.
Dissipate means when you pull something apart or something is getting forced/pulled apart.