irre - laun
- irrecoverable
- irreducibility
- irreducible
- irreducible function
- irredundant
- irredundant circuit
- irredundant fault
- irredundant network
- irreformable
- irregular
- irregular changes
- irregular component
- irregular dependence
- irregular fraction plan
- irregular pitting
- irregular running
- irregular variations
- irregular vibration
- irregular wear
- irregularity
- irrelevant information
- irrelevant observation
- irrepairable
- irrepairable damage
- irrepairable part
- irrepairable reject
- irreproducibility
- irresolvable faults
- irretraceable
- irreversibility
- irreversible action
- irreversible aging
- irreversible breakdown
- irreversible change
- irreversible degradation
- irreversible failure
- irreversible process
- irreversible state
- irreversible variation
- isoavailability contour
