Arabic-Portuguese dictionary   Subject Number of entries Accumulators 199 Antennas and waveguides 1.284 Automatic control 698 Book binding 1 Cables and cable production 302 Computer networks 311 Ecology 73 Economics 1 Electric machinery 465 Electric motors 913 Electric traction 951 Electrical engineering 320 Electricity generation 756 Electronics 2.655 Environment 5.722 General 1 International Monetary Fund 12.963 Isolation 585 Lighting other than cinema 1.317 Magnetics 679 Mathematics 3.608 Metrology 117 Microsoft 17.403 Name of organization 17 Obsolete / dated 3 Pest control 4 Physics 406 Piezoelectric crystals 456 Power electronics 271 Power lines 711 Power system protection 478 Printed circuit boards 36 Radio 1.763 Radiobiology 338 Radiology 882 Rail transport 482 Reliability 505 Satellite communications 199 Semiconductors 342 Sound recording 534 Statistics 2.489 Telecommunications 896 Telegraphy 877 Telephony 307 Thermal Energy 656 Transformers 222 Ultrasound 32 Vacuum tubes 685 Video recording 158 Welding 153 Wind Energy 105 Total: 65.331