| Subject | English | Arabic |
| environ. | non-point source | مَنْبَع مُنْتَشِر |
| environ. | non-point-source pollution | تلوث غير مصدري |
| light. | point source | مصدر نقطي |
| UN, clim. | point source | مصدر ثابت |
| environ. | point source Pollution from a discrete source, such as a septic tank, a sewer, a discharge type, a landfill, a factory or waste water treatment works discharging to a watercourse; stack emission from an industrial process; or spillage from an underground storage tank leaching into groundwater | نقطة المصدر |