irri - knoc
- island-type design
- islanding
- islands
- islands of automation
- ISLN
- ISLR
- ISM
- ISM process
- ISMLS
- ISMS
- ISMU
- ISN
- ISN priority scheme
- ISO
- ISO file
- ISO-7
- iso-BER curve
- ISO-CMOS
- Iso-curve
- iso-noise
- ISO-test pattern
- iso-tRNA
- iso-velocity model
- ISO-WATT transducer
- ISO/OSI reference model
- isoacceptor transfer RNA
- isoanomaly chart
- isobaric analog resonance
- isobathics
- isobrightness contour
- Isobrite brightener
- isoceraunic level
- isoceraunic map
- isochoric deformation
- isochoric motion
- isochromatic curve
- isochromatic fringe
- isochromatic information
- isochromatic pattern
- isochromatic stress pattern
