Meanings
- A vanishing twin that, rather than being completely reabsorbed, is compressed by its growing twin to a flattened, parchment-like condition.
Origin
From fetus + Latin papȳrāceus (“made of paper”), or could be considered an entirely Latin compound, consistent with medical naming.
Full word history & related roots →Cite this entry
fetus papyraceus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/fetus%20papyraceus
“fetus papyraceus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fetus%20papyraceus. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “fetus papyraceus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/fetus%20papyraceus.
Source: fetus papyraceus on Wiktionary, CC BY-SA 4.0.