inne - IVC
- inner cell
- inner dead point
- input
- input data
- input power
- insertion piece
- installing load
- Institut Franşais du Pétrole
- insulated line
- intake
- intake valve
- intake valve closing
- intake valve deposits
- intensity
- interface
- interfacial energy
- interfacial tension
- intermediate distillate
- internal combustion
- internal combustion engine
- internal energy
- internal friction
- International Air Transport Association
- International lubritant Standardization and Approval Commitee
- International Standards Organization
- interrepair life
- intrinsic viscosity
- inverse hour
- invisible loss
- iodine number
- IQT
- iridescent film
- irregular running
- ISO
- IVC