31-letter words containing o, p, h, t
- to throw a spanner in the works — If someone throws a spanner in the works, they prevent something happening smoothly in the way that it was planned, by causing a problem or difficulty.
- worcester polytechnic institute — (WPI) A well-regarded, small engineering college. Address: Worcester, MA, USA.
- zenithal equidistant projection — azimuthal equidistant projection.