Browse entries from New English-Irish Gaelic Dictionary
- opposite sex
- opposition
- oppress
- oppressed
- oppression
- oppressive
- oppressor
- opt
- opt in
- opt out
- opt-in
- opt-out
- optic
- optical
- optical axis
- optical character recognition
- optical density
- optical disk
- optical fibre
- optical glass
- optical illusion
- optical imaging
- optical mouse
- optical path
- optical scanner
- optical sensor
- optical zoom
- optically
- optician
- optics
- optimal
- optimally
- optimisation
- optimise
- optimised
- optimiser
- optimism
- optimist
- optimistic
- optimistically
- optimum
- option
- optional
- optional extra
- optionally
- optometrist
- optometry
- opulence
- opulent
- opus