Foam is usually harmless. In fact, only 1 percent of the foam you see on a waterbody is the actual foaming agent; the rest is air and water. However, excess foam is sometimes the result of too much phosphorus in the water. Although phosphorus in an important plant nutrient, it is not found abundantly in nature and too much of it is indicative of pollution from human activities.
A confection is a food loaded with sugar. Chocolate layer cake, strawberry lollipops, and vanilla bonbons are all confections.
Medical Definition of lotion. 1  1: a liquid usually aqueous medicinal preparation containing one or more insoluble substances and applied externally for skin disorders. 2  2: a liquid cosmetic preparation usually containing a cleansing, softening, or astringent agent and applied to the skin hand lotion aftershave lotion.