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Vitality

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Vitality 

in phytocenology, a measure of the extent to which the conditions in a particular biocenosis correspond to the needs of a plant population under study. Possible criteria of vitality are the ability of the individuals of a species to pass through the entire development cycle under the given conditions, the period of maturation of the reproductive organs, the amount of annual growth, and the optimum number of individuals. Vitality is usually rated on a scale of three to five points. Attempts have been made to judge the vitality of a population by finding the vitality of its individuals and then determining the average. In such cases the basis for evaluating vitality is the intensity of manifestation of life, expressed by the body volume or mass, growth energy, or other factors.
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But in republics there is more vitality, greater hatred, and more desire for vengeance, which will never permit them to allow the memory of their former liberty to rest; so that the safest way is to destroy them or to reside there.
The Prince by Machiavelli, Nicolo View in context
It made toward death too quickly to suit my youth and vitality.
John Barleycorn by London, Jack View in context
You seem to have a sort of genius for establishing relations with people--seempathy, I suppose, or animal magnetism, or youthful vitality, or something.
The Lost World by Doyle, Sir Arthur Conan View in context
 
 
 
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