13-letter words containing p, o, u, l, t, i
- triple-tongue — to interrupt the wind flow by moving the tongue as if pronouncing t and t and k successively, especially in playing rapid passages or staccato notes on a brass instrument.
- ultratropical — outside the tropics.
- uncomplaisant — not eager to please; not compliant or obliging
- uncomplicated — to make complex, intricate, involved, or difficult: His recovery from the operation was complicated by an allergic reaction.
- unexceptional — not exceptional; not unusual or extraordinary.
- unicorn plant — a North American plant, Proboscidea (Martynia) louisianica, having creamy-white to red flowers blotched with purple, and a woody capsule with a long, curved beak.
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- uprighteously — in an upright or moral manner
- volute spring — a coil spring, conical in shape, extending in the direction of the axis of the coil.