inve - Kald
- irregular section
- irregular stock movement
- irregular variation
- Irregular working
- irregular-shaped powder
- irregularity
- irreversible
- irreversible magnetic ageing
- irreversible steel
- irrigated precipitator
- ISA
- ISB
- isentropic process
- Ishikawajima-Nakamura process
- ISIS
- island model
- isocarb
- isochromatic
- isocorrosion curve
- isocorrosiondiagram
- isodose surface
- isodynamic separator
- isohardness curve
- isohydric indicator solution
- isolated atom
- isolation bell
- isolation of phase
- Isometer
- isomorphous
- isoscope
- isosklere
- isostatic pressing
- isostrain curve
- isostructural
- isoth.
- isothermal annealing
- isothermal curve
- isothermal decomposition
- isothermal dissociation
- isothermal equilibrium