18-letter words containing k, r, o, t
- work-study program — a program enabling high-school or college students to combine academic work with actual job experience.
- work-study student — a student who is permitted to work while studying, and use the money earned to pay for their studies
- working hypothesis — See under hypothesis (def 1).
- yerkes observatory — an astronomical observatory located in Williams Bay, Wisconsin, affiliated with the University of Chicago, and having a 40-inch (102-cm) refracting telescope, the largest refractor in the world.
- zion national park — a park in SW Utah. 148 sq. mi. (383 sq. km).