1. A contraceptive in the form of a pill containing oestrogen and progestin to inhibit ovulation and so prevent conception
   - pill, birth control pill, contraceptive pill, oral contraceptive pill, oral contraceptive, anovulant

Derived forms: anovulatory drugs

Type of: birth control device, contraceptive, contraceptive device, preventative, preventive, prophylactic device

• owl
• owlclaws
• owlet
• owlet moth
• owlish
• owlishly
• OWLT
• own
• own goal
• own right
• own up
• owned
• owner
• owner-driver
• owner-occupied
• owner-occupier
• ownerless
• ownership
• ox
• ox-eyed
• ox-eyed daisy
• oxacillin
• oxalacetate
• oxalacetic acid
• oxalate