intermediate stateintermediate subcarrierintermediate systemintermediate zoneintermetallic compoundintermittentintermittent defectintermittent duty ratingintermittent duty relayintermittent receptionintermittent service areaintermodulationintermodulation distortionintermodulation distortion testintermodulation interferenceintermodulation noiseinternalinternal capacitanceinternal characteristicinternal circuitinternal conductorinternal connectioninternal consumptioninternal currentinternal dischergeinternal energyinternal lossinternal reflectioninternal resistanceinternal structureinternal sweepinternallyinternally compensated op ampinternational cicil aviaition organizationinternational commission on illuminationinternational electrotechnical commissioninternational morse codeinternational radio consultative committeinternational radio silenceinternational standard atmosphereinternational standard organizationinternational system of unitsinternational telecommunications unioninternational telgraph and telephone cousultative comitteeinternational unitinternetinternet protocolinternet providerinternet societyinterpenetrating