See Also: petro-(2)(dictionary)
petro-(medicine)
petro-(1)(dictionary)
SOUTH SEA PETRO(finance)
petro-occipital(medicine)
SINOUNION PETRO(finance)
Petro-Canada(finance)
synchondrosis petro-occipitalis(medicine)
petro-occipital joint(medicine)
petro-occipital fissure(medicine)

petro-(2) (iou)



petro- combining form2.
[Abbreviation.]
Petroleum, oil.
petro-currency noun the currency of a petroleum-exporting country, of which the exchange rate varies chiefly with the fluctuations of the petroleum market L20.
petrodollar noun a notional monetary unit earned by a petroleum-exporting country L20.