Vegetation /(?)/

Veg·e·ta·tion

Vegetation

n.
  1. The act or process of vegetating, or growing as a plant does; vegetable growth.
  2. The sum of vegetable life; vegetables or plants in general; as, luxuriant vegetation.
  3. An exuberant morbid outgrowth upon any part, especially upon the valves of the heart. (Med.)

Phrases & Compounds
Vegetation of salts
a crystalline growth of an arborescent form.