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Definition of: superfetation
(s
′pər·fi·tā′shən) noun
1. Physiol. a The second impregnation of a female already pregnant. b The progeny resulting from such second impregnation; hence, any unusual additional growth.
2. Bot. Fertilization of the same ovule by two or more kinds of pollen. Also su′per·foe·ta′tion.
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