Petroleum has 4 syllables and the stress is on the second syllable.
| # | Sentence | |
|---|---|---|
| 1. | The present world owes its convenient life to petroleum. | |
| 2. | The ecologist warned us that petroleum was not merely a blessing but also a curse. | |
| 3. | Products made from petroleum are vital to modern societies. | |
| 4. | Petroleum priced coal out of the energy market in Japan. | |
| 5. | Petroleum was replacing coal as fuel. | |
| 6. | Petroleum has been important since ancient times. | |
| 7. | Petrochemicals are chemical products derived from petroleum. | |
| 8. | Peak oil, an event based on Hubbert's theory, is the point in time when the maximum rate of petroleum extraction is reached, after which the rate of production is expected to enter terminal decline. | |
| 9. | Petroleum extraction is in decline in 33 out of the 48 major suppliers of oil. | |
| 10. | Coal, charcoal, coal coke and petroleum coke are used as fuels. |