3033. Corroborants are medicines and food which increase the strength, such as iron, gentian, sago, &c.
3034. Demulcents correct acrimony, diminish irritation, and soften parts by covering their surfaces with a mild and viscid matter, such as linseed tea, &c.
3035. Deobstruents are medicines which remove obstructions, such as iodide of potash, &c.
3036. Detergents clean the surfaces over which they pass, such as soap.