fenestrel
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English
[edit]
Etymology
[edit]From phen- + -estr- (“estrogen”).
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Noun
[edit]fenestrel (uncountable)
- (pharmacology) A synthetic, non-steroidal estrogen developed as a postcoital contraceptive in the 1960s but was marketed.