vanishing twin

noun

A fetus in a multigestation pregnancy that dies in utero and is then partially or completely reabsorbed by its twin.

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Meanings

nounvanishing twin (plural vanishing twins)

plural vanishing twins

  1. A fetus in a multigestation pregnancy that dies in utero and is then partially or completely reabsorbed by its twin.
Cite this entry
APA

vanishing twin. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/vanishing%20twin

MLA

“vanishing twin.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/vanishing%20twin. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “vanishing twin,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/vanishing%20twin.

Source: vanishing twin on Wiktionary, CC BY-SA 4.0.