o·var·i·ot·o·my 
(ō-vâr′ē-ŏtə-mē)
(ō-vâr′ē-ŏtə-mē)n. pl. o·var·i·ot·o·mies
1. Surgical incision into an ovary, as to perform a biopsy or remove a tumor.
2. An oophorectomy.
- petrochemistry
- petrodollars
- petrogenesis
- petrogenetic
- petroglyph
- petroglyphic
- Petrograd
- petrographer
- petrographic
- petrographical
- petrographically
- petrography
- petrol
- petrolatum
- petroleum
- petroleum coke
- petroleum ether
- petroleum jelly
- petrolic
- petrologic
- petrological
- petrologically
- petrologist
- petrology
- Petronius