idio - indu
- illuminants
- illuminate
- illuminated
- illuminating
- illuminating gas
- illuminating oil
- illumination intensity
- illusory correlation
- ilmenite
- im Grossen
- im Kleinen
- image analyzer
- image brightness
- image camera tube
- image channel
- image contrast
- image converter
- image converter camera
- image converter tube
- image device
- image diagonal
- image dissector
- image dissector tube
- image distance
- image domain
- image drift
- image effect
- image element
- image erasure
- image frequency
- image graininess
- image i.f. amplifier
- image iconoscope
- image intensifier
- image intensifier tube
- image inversion
- image line
- image lock
- image of a point
- image orthicon
