noun
- the dissipation or weakening of a weather front, especially the gradual disappearance of temperature and pressure contrasts that define a frontal boundary
Usage: meteorology; technical
Examples
- The meteorologist observed frontolysis as the cold front moved inland and lost its sharp temperature gradient.
- Frontolysis occurs when warm and cold air masses gradually mix and equilibrate.
- The weather service predicted frontolysis would reduce severe storm potential by evening.
- As the front weakened through frontolysis, the pressure differences diminished significantly.