What Is Heart Ablation? Heart ablation, or cardiac ablation, is a surgical procedure that is used to correct abnormal heart rhythms. Catheter tubes are used to correct structural heart problems that prevent normal heart rhythms. Malfunctioning heart tissue is scarred or destroyed.
By Anne Marie Helmenstine, Ph.D. Dilute Definition: a solution containing a relatively small quantity of solute as compared with the amount of solvent. This term is the opposite of 'concentrated'.
dilute. 1  to make (a liquid) thinner or weaker by the addition of water or the like. 2  to make fainter, as a color. 3  to reduce the strength, force, or efficiency of by admixture. 4  to become diluted. 5  reduced in strength, as a chemical by admixture; weak: a dilute solution.