Some people only have the problem when they run water in a sink or a bathtub. The source of the odor in almost all of these instances is a buildup of biofilm on the sides of the pipes that connect the sink or fixture to the actual P-shaped trap under the fixture.
Subsided is defined as  calmed down or sunk to a lower level. When the noise of a crowd dies down, this is an example of when the noisesubsided.
Definition of 'dissipate'. Word Frequency. dissipate (dÉªsÉªpeÉªt ) Word forms: 3rd person singular present tense dissipates , present participle dissipating , past tense , past participle dissipated. 1. verb. When something dissipates or when you dissipate it, it becomes less or becomes less strong until it disappears or goes away completely.