13-letter words containing c, o, p, u, r, i
- thiosulphuric — of or relating to thiosulphuric acid or anything derived from it
- trichopterous — belonging or pertaining to the insect order Trichoptera, comprising the caddisflies.
- trip computer — A trip computer in a vehicle gives readings of average speed, fuel consumption, and fuel cost per mile.
- truchet point — (unit, text) An obsolete variant of the point, equal to 0.188 mm.
- ultratropical — outside the tropics.
- uncompromised — unable to function optimally, especially with regard to immune response, owing to underlying disease, harmful environmental exposure, or the side effects of a course of treatment.
- uncooperating — to work or act together or jointly for a common purpose or benefit.
- uncooperative — working or acting together willingly for a common purpose or benefit.
- underoccupied — not having enough to do or to engage one's attention
- 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.
- unperspicuous — clearly expressed or presented; lucid.
- unpreoccupied — not preoccupied
- unproblematic — not problematic, not causing difficulties or confusion; uncomplicated
- unprovocative — tending or serving to provoke; inciting, stimulating, irritating, or vexing.
- unreproaching — not reproaching or blaming
- upper chinook — a Chinookan language of the Columbia River valley from the Deschutes River to the estuary.