To remove or decrease something by cutting, erosion, melting, evaporation, or vaporization.
To undergo ablation; to become melted or evaporated and removed at a high temperature.
To reduce in volume by boiling.
To become reduced (to the most central elements or ingredients: to the essence, core, or implication for action).
To reduce (to the most central elements or ingredients: to the essence, core, or implication for action).