photovoltaic panelpho‧to‧vol‧ta‧ic pan‧el /ˌfəʊtəʊvɒlteɪ-ɪk ˈpænl $ ˌfoʊtoʊvɑːl-/ noun [countable] technical 
a solar panel
a solar panel- 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
- umber
- umbilical cord