18-letter words containing o, p, r, t, u
- upper partial tone — overtone (def 1).
- urban contemporary — popular dance music incorporating elements of rap, rhythm-and-blues, funk, and soul.
- vigoureux printing — a printing method in which worsted fibers are printed with the desired color while in sliver form and then processed into yarn, producing a mixed color in the spun yarn and woven fabric.
- warehouse capacity — the amount of storage space in a warehouse
- women at point sur — a narrative poem (1927) by Robinson Jeffers.
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.