pet·ro·dol·lars 
(pĕtrō-dŏl′ərz)
(pĕtrō-dŏl′ərz)pl.n.
Money in any number of currencies that is paid to oil-producing countries, which then deposit it into Western banks.
- photosphere
- photospheric
- photostat
- photosynthate
- photosynthesis
- photosynthesize
- photosynthetic
- photosynthetically
- phototactic
- phototactically
- phototaxis
- phototherapeutic
- phototherapy
- phototonic
- phototonus
- phototoxic
- phototoxicity
- phototransistor
- phototroph
- phototrophic
- phototrophically
- phototropic
- phototropism
- phototube
- phototypesetter