01 n. The formation of a fetus at the result of an impregnation occurring after another impregnation but before the birth of the offspring produc…
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The formation of a fetus at the result of an impregnation occurring after another impregnation but before the birth of the offspring produced by it. This is possible only when there is a double uterus, or where menstruation persists up to the time of the second impregnation.(Physiol.)“In then became a superfetation upon, and not an ingredient in, the national character.” — Coleridge.