18-letter words containing c, u, p, i, n, g
- teaching equipment — teaching aids
- the general public — the people in a society; people in general
- unit magnetic pole — the unit of magnetic pole strength equal to the strength of a magnetic pole that repels a similar pole with a force of one dyne, the two poles being placed in a vacuum and separated by a distance of one centimeter.
- universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.