de·scent noun \di-ˈsent\
: the act or process of descending from a higher to a lower location <descent of the testes into the scrotum>
a : derivation from an ancestor b : the fact or process of originating by generation from an ancestral stock (as a species or genus)
: a former method of distillation in which the material was heated in a vessel having its outlet underneath so that the vapors produced were forced to descend
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