Noun
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inactivity that is passive and monotonous, comparable to the inactivity of plant life
"their holiday was spent in sleep and vegetation"
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an abnormal growth or excrescence (especially a warty excrescence on the valves of the heart)
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the process of growth in plants
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all the plant life in a particular region or period
"Pleistocene vegetation"
"the flora of southern California"
"the botany of China"