22-letter words containing c, u, l, i, n
- unidirectional current — direct current
- universal product code — a bar code that indicates price, product classification, etc., and can be read electronically, as at checkout counters in supermarkets. Abbreviation: UPC.
- unprofessional conduct — activity that is contrary to the accepted code of conduct of a profession
- upright vacuum cleaner — a vacuum cleaner that is tall rather than wide
- urban district council — a council of an urban district that, in conjunction with a county council, has responsibilities for local government issues
- valvular insufficiency — abnormal closure of a heart valve resulting in failure to prevent regurgitation of blood.
- world communion sunday — the first Sunday in October, during which members of ecumenical churches throughout the world celebrate Holy Communion, especially to affirm their unity in Christ.