Portuguese-Arabic dictionary   Subject Number of entries Accumulators 196 Antennas and waveguides 1.146 Automatic control 614 Book binding 1 Cables and cable production 290 Computer networks 232 Ecology 58 Economics 1 Electric machinery 428 Electric motors 867 Electric traction 869 Electrical engineering 290 Electricity generation 734 Electronics 2.436 Environment 5.198 General 1 International Monetary Fund 11.465 Isolation 519 Lighting other than cinema 1.043 Magnetics 611 Mathematics 3.584 Metrology 115 Microsoft 15.510 Name of organization 13 Obsolete / dated 3 Pest control 2 Physics 364 Piezoelectric crystals 386 Power electronics 255 Power lines 605 Power system protection 444 Printed circuit boards 35 Radio 1.517 Radiobiology 288 Radiology 733 Rail transport 436 Reliability 440 Satellite communications 185 Semiconductors 338 Sound recording 489 Statistics 2.474 Telecommunications 760 Telegraphy 717 Telephony 284 Thermal Energy 619 Transformers 220 Ultrasound 31 Vacuum tubes 665 Video recording 140 Welding 145 Wind Energy 101 Total: 58.897