colonoscopyco‧lo‧nos‧copy /ˌkəʊləˈnɒskəpi $ ˌkoʊləˈnɑːs-/ noun [countable, uncountable] medical 
a medical examination of the colon
a medical examination of the colon- Ulster
- Ulster Defence Association
- Ulster Defence Regiment
- Ulster Democratic Unionist Party
- Ulster Unionists
- Ulster Volunteer Force
- ulterior
- ultimate
- ultimate fighting
- ultimately
- ultimatum
- ultra-
- Ultrabook
- ultramarine
- ultraportable
- ultrasonic
- ultrasound
- ultraviolet
- ululate
- ululation
- Uluru
- Ulysses
- um
- umami
- um and ah