Meanings
nounfenestrel (uncountable)
- uncountablemedicineA synthetic, non-steroidal estrogen developed as a postcoital contraceptive in the 1960s but was marketed.
Origin
From phen- + -estr- (“estrogen”).
Full word history & related roots →Cite this entry
APA
fenestrel. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/fenestrel
MLA
“fenestrel.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fenestrel. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “fenestrel,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/fenestrel.
Source: fenestrel on Wiktionary, CC BY-SA 4.0.