sco·li·o·sis 
(skō′lē-ōsĭs, skŏl′ē-)
(skō′lē-ōsĭs, skŏl′ē-)n.
Abnormal lateral curvature of the spine.
[Greek skolios, crooked + -OSIS.]
sco′li·otic (-ŏtĭk) adj.
- 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