veg·e·ta·tion /ˌvɛʤəˈteʃən/ 名詞
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. Med. An exuberant morbid outgrowth upon any part, especially upon the valves of the heart.
Vegetation of salts Old Chem., a crystalline growth of an arborescent form.
n 1: all the plant life in a particular region [syn: flora]
2: the process of growth in plants
3: an abnormal growth or excrescence (especially a warty
excrescence on the valves of the heart)
4: inactivity that is passive and monotonous, comparable to the
inactivity of plant life; "their holiday was spent in
sleep and vegetation"