Petaluma
/ˌpedəˈlo͞omə
/A city in northwestern California, north of San Francisco; population 54,666 (est. 2008).
- photoperiodism
- photopheresis
- photophil
- photophile
- photophilic
- photophilous
- photophily
- photophob
- photophobe
- photophobia
- photophobic
- photophobous
- photophone
- photophonic
- photophore
- photophoresis
- photophosphorescent
- photophosphorylation
- photophthalmia
- photophysical
- photophysics
- photopia
- photopic
- photo-piece
- photopigment