- international pitch
- intimate one's presence
- intimate friendship
- incapacitated
- in the air
- inclined plane
- incline bench press
- indecent exposure
- infraction
- inter_transverse ligament
- indiscipline
- inclining
- impressment
- immotility
- insistency
- imperativeness
- interrelated
- iridectopia
- impact paper
- impact bending test
- impact buckling test
- impact printer
- impact mill
- infield
- internationality
- intracranial cavity
- invigorated
- indoor garden
- intuitive feeling
- immortal god
- incapableness
- in good order
- incorrectly
- improperly
- individualisation
- intransitivity
- intraocular fluid
- ionia
- iodinated aromatic acid
- iodimetric
- inactivated formalin
- inflatable cushion
- insentient
- inspiriting
- inspissated bite syndrome
- invert soap
- internationalistic
- intensifier
- insemination
- individualization