"vegetation" in the noun sense
1. vegetation, flora, botany
all the plant life in a particular region or period
"Pleistocene vegetation"
"the flora of southern California"
"the botany of China"
2. vegetation
the process of growth in plants
3. vegetation
an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
4. vegetation
inactivity that is passive and monotonous, comparable to the inactivity of plant life
"their holiday was spent in sleep and vegetation"
Source: WordNet® (An amazing lexical database of English)
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