1. The process of growing; as plants, by means of nourishment derived from the earth, or from water and air, and received through roots and leaves. We observe that vegetation depends on heat as the moving principle, and on certain substances which constitute the nutriment of plants. Rapid vegetation is caused by increased heat and a rich soil.

2. Vegetables or plants in general. In June, vegetation in our climate wears a beautiful aspect.

Vegetation of salts, so called, consists in certain concretions formed by salts, after solution in water, when set in the air for evaporation. these concretions appear round the surface of the liquor, affixed to the sides of the vessel.